#757DA3
Closest named color: Lavender Gray (#7E7F9A). oklch(59.7% 0.059 275.2), rgb(117, 125, 163).
Aa
Black text reads best on this color (5.21:1).
About this color
#757DA3 is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.059 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.021 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #757DA3 |
| RGB | rgb(117, 125, 163) |
| HSL | hsl(230, 20%, 55%) |
| OKLCH | oklch(59.7% 0.059 275.2) |
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 #757DA3 | 4.02:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #757DA3 | 5.21:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #757DA3 text on white | 4.02:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #757DA3 text on black | 5.21:1 | AA | Lc -34.2 | 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
#BBC0D4
oklch(81% 0.029 274.6)
-
Step 400
400
#989FBE
oklch(70.7% 0.046 275.2)
-
Step 500
500 (this color)
#757DA3
oklch(59.7% 0.059 275.2)
-
Step 600
600
#687199
oklch(55.7% 0.063 274.4)
-
Step 700
700
#575E83
oklch(49.1% 0.06 275.7)
-
Step 800
800
#474D6A
oklch(42.7% 0.049 275.1)
-
Step 900
900
#3B4056
oklch(37.6% 0.038 274.5)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#757DA3 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) | #7281A5 | 0.011 |
| Deuteranopia (no green cones) | #6F7DA2 | 0.009 |
| Tritanopia (no blue cones) | #69848A | 0.052 |
| Achromatopsia (no color) | #7F7F7F | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757DA3
#757DA3
oklch(59.7% 0.059 275.2)
- #8A7F57
#8A7F57
oklch(59.6% 0.058 94.6)
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 #757DA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.021
- Slate Gray #708090 ΔE 0.035
- Steel #738595 ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.039
- Light Slate Gray #778899 ΔE 0.040
- Off Blue #5684AE ΔE 0.041
- Grey Blue #647D8E ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.044
Use #757DA3 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.