#757BEF
Closest named color: Cornflower (#6A79F7). oklch(63.4% 0.171 278.1), rgb(117, 123, 239).
Aa
Black text reads best on this color (5.83:1).
About this color
#757BEF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.171 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.020 away. Black text reads best on it, at 5.83:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.83:1 |
| White text | 3.59:1 |
Values
| HEX | #757BEF |
| RGB | rgb(117, 123, 239) |
| HSL | hsl(237, 79%, 70%) |
| OKLCH | oklch(63.4% 0.171 278.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #757BEF | 3.59:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #757BEF | 5.83:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #757BEF text on white | 3.59:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #757BEF text on black | 5.83:1 | AA | Lc -38.3 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B4BCF7
oklch(81% 0.084 278.4)
-
Step 400
400
#8E97F3
oklch(70.8% 0.134 278.1)
-
Step 500
500 (this color)
#757BEF
oklch(63.4% 0.171 278.1)
-
Step 600
600
#5F60DC
oklch(55.6% 0.185 278.2)
-
Step 700
700
#4F4EBF
oklch(49.1% 0.173 278.3)
-
Step 800
800
#40419B
oklch(42.8% 0.143 278)
-
Step 900
900
#36387B
oklch(37.7% 0.111 278.3)
-
Step 950
950
#1F2148
oklch(26.9% 0.071 278.2)
#757BEF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #458CF3 | 0.061 |
| Deuteranopia (no green cones) | #3882EC | 0.064 |
| Tritanopia (no blue cones) | #4294AA | 0.148 |
| Achromatopsia (no color) | #878787 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757BEF
#757BEF
oklch(63.4% 0.171 278.1)
- #A08A00
#A08A00
oklch(63.4% 0.131 97.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #757BEF, closest first.
No curated palette has a color within ΔE 0.04 of #757BEF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.020
- Soft Blue #6488EA ΔE 0.038
- Medium Slate Blue #7B68EE ΔE 0.044
- Periwinkle #8E82FE ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.048
- Medium Purple #9370DB ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.067
Use #757BEF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.