#757DDB
Closest named color: Soft Blue (#6488EA). oklch(62.6% 0.141 277.8), rgb(117, 125, 219).
Aa
Black text reads best on this color (5.71:1).
About this color
#757DDB is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.141 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.036 away. Black text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #757DDB |
| RGB | rgb(117, 125, 219) |
| HSL | hsl(235, 59%, 66%) |
| OKLCH | oklch(62.6% 0.141 277.8) |
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 #757DDB | 3.67:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #757DDB | 5.71:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #757DDB text on white | 3.67:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #757DDB text on black | 5.71:1 | AA | Lc -37.5 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F3
oklch(88.5% 0.039 279.1)
-
Step 300
300
#B5BDED
oklch(80.9% 0.068 277.4)
-
Step 400
400
#909AE5
oklch(70.8% 0.11 277.4)
-
Step 500
500 (this color)
#757DDB
oklch(62.6% 0.141 277.8)
-
Step 600
600
#6066CA
oklch(55.6% 0.152 277.6)
-
Step 700
700
#5054AF
oklch(49.1% 0.142 277.9)
-
Step 800
800
#41458E
oklch(42.6% 0.119 277.7)
-
Step 900
900
#373B71
oklch(37.7% 0.091 277.9)
-
Step 950
950
#202342
oklch(27% 0.057 277.6)
#757DDB 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) | #5889DF | 0.042 |
| Deuteranopia (no green cones) | #5081D9 | 0.044 |
| Tritanopia (no blue cones) | #5091A1 | 0.125 |
| Achromatopsia (no color) | #858585 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757DDB
#757DDB
oklch(62.6% 0.141 277.8)
- #9D8800
#9D8800
oklch(62.7% 0.13 98.3)
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 #757DDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.036
- Cornflower #6A79F7 ΔE 0.047
- Medium Purple #9370DB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.063
Use #757DDB 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.