#757CA4
Closest named color: Lavender Gray (#7E7F9A). oklch(59.6% 0.062 276.7), rgb(117, 124, 164).
Aa
Black text reads best on this color (5.17:1).
About this color
#757CA4 is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.062 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.024 away. Black text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #757CA4 |
| RGB | rgb(117, 124, 164) |
| HSL | hsl(231, 21%, 55%) |
| OKLCH | oklch(59.6% 0.062 276.7) |
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 #757CA4 | 4.05:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #757CA4 | 5.17:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #757CA4 text on white | 4.05:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #757CA4 text on black | 5.17:1 | AA | Lc -33.9 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BBBFD5
oklch(80.8% 0.031 277.5)
-
Step 400
400
#989EBF
oklch(70.6% 0.049 277)
-
Step 500
500 (this color)
#757CA4
oklch(59.6% 0.062 276.7)
-
Step 600
600
#69709B
oklch(55.6% 0.067 276.8)
-
Step 700
700
#575E84
oklch(49.2% 0.062 275.9)
-
Step 800
800
#474D6B
oklch(42.8% 0.05 275.3)
-
Step 900
900
#3C4057
oklch(37.8% 0.04 276.7)
-
Step 950
950
#232533
oklch(26.9% 0.026 278.2)
#757CA4 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) | #7080A6 | 0.012 |
| Deuteranopia (no green cones) | #6D7CA3 | 0.011 |
| Tritanopia (no blue cones) | #69838A | 0.054 |
| Achromatopsia (no color) | #7E7E7E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757CA4
#757CA4
oklch(59.6% 0.062 276.7)
- #897F54
#897F54
oklch(59.5% 0.062 96.6)
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 #757CA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.024
- Slate Gray #708090 ΔE 0.038
- Steel #738595 ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.040
- Off Blue #5684AE ΔE 0.042
- Light Slate Gray #778899 ΔE 0.043
- Grey Blue #647D8E ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.047
Use #757CA4 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.