#757CEE
Closest named color: Cornflower (#6A79F7). oklch(63.5% 0.168 277.8), rgb(117, 124, 238).
Aa
Black text reads best on this color (5.87:1).
About this color
#757CEE is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.168 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.022 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #757CEE |
| RGB | rgb(117, 124, 238) |
| HSL | hsl(237, 78%, 70%) |
| OKLCH | oklch(63.5% 0.168 277.8) |
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 #757CEE | 3.57:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #757CEE | 5.87:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #757CEE text on white | 3.57:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #757CEE text on black | 5.87:1 | AA | Lc -38.6 | 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
#B3BCF6
oklch(80.9% 0.083 277.5)
-
Step 400
400
#8E97F1
oklch(70.7% 0.131 278.1)
-
Step 500
500 (this color)
#757CEE
oklch(63.5% 0.168 277.8)
-
Step 600
600
#5E61DB
oklch(55.7% 0.182 277.6)
-
Step 700
700
#4E4FBE
oklch(49.1% 0.17 277.7)
-
Step 800
800
#40419A
oklch(42.7% 0.142 278.1)
-
Step 900
900
#35387A
oklch(37.6% 0.11 277.7)
-
Step 950
950
#1F2248
oklch(27.1% 0.07 277.3)
#757CEE 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) | #488CF2 | 0.058 |
| Deuteranopia (no green cones) | #3B83EC | 0.061 |
| Tritanopia (no blue cones) | #4295AA | 0.147 |
| Achromatopsia (no color) | #878787 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757CEE
#757CEE
oklch(63.5% 0.168 277.8)
- #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 #757CEE, closest first.
No curated palette has a color within ΔE 0.04 of #757CEE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.022
- Soft Blue #6488EA ΔE 0.036
- Periwinkle #8E82FE ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.047
- Medium Purple #9370DB ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.065
Use #757CEE 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.