#757A9E
Closest named color: Lavender Gray (#7E7F9A). oklch(58.9% 0.055 278.4), rgb(117, 122, 158).
Aa
Black text reads best on this color (5.03:1).
About this color
#757A9E is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.055 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.022 away. Black text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #757A9E |
| RGB | rgb(117, 122, 158) |
| HSL | hsl(233, 17%, 54%) |
| OKLCH | oklch(58.9% 0.055 278.4) |
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 #757A9E | 4.17:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #757A9E | 5.03:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #757A9E text on white | 4.17:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #757A9E text on black | 5.03:1 | AA | Lc -32.9 | 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 600.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D7D8E2
oklch(88.4% 0.014 281.5)
-
Step 300
300
#BCBFD1
oklch(80.8% 0.025 278.3)
-
Step 400
400
#9A9FBA
oklch(70.8% 0.04 277.1)
-
Step 500
500
#8287A9
oklch(63.2% 0.051 278.3)
-
Step 600
600 (this color)
#757A9E
oklch(58.9% 0.055 278.4)
-
Step 700
700
#5A5E7E
oklch(49.1% 0.051 278.8)
-
Step 800
800
#494D66
oklch(42.7% 0.042 277.4)
-
Step 900
900
#3D4053
oklch(37.7% 0.033 277.7)
-
Step 950
950
#242631
oklch(27.1% 0.021 276.9)
#757A9E 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) | #707EA0 | 0.012 |
| Deuteranopia (no green cones) | #6E7B9D | 0.010 |
| Tritanopia (no blue cones) | #6B8086 | 0.049 |
| Achromatopsia (no color) | #7C7C7C | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757A9E
#757A9E
oklch(58.9% 0.055 278.4)
- #857E57
#857E57
oklch(58.9% 0.056 99.2)
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 #757A9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.022
- Slate Gray #708090 ΔE 0.033
- Grey Blue #647D8E ΔE 0.038
- Steel #738595 ΔE 0.039
- Grey Purple #826D8C ΔE 0.041
- Light Slate Gray #778899 ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.045
Use #757A9E 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.