#757E90
Closest named color: Slate Gray (#708090). oklch(59.2% 0.03 264.3), rgb(117, 126, 144).
Aa
Black text reads best on this color (5.14:1).
About this color
#757E90 is a medium-dark close to neutral grey. In OKLCH its lightness is 59%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Slate Gray (#708090), ΔE 0.009 away. Black text reads best on it, at 5.14:1.
| Hue family | Neutrals |
| Lightness | medium-dark (59%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #757E90 |
| RGB | rgb(117, 126, 144) |
| HSL | hsl(220, 11%, 51%) |
| OKLCH | oklch(59.2% 0.03 264.3) |
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 #757E90 | 4.08:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #757E90 | 5.14:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #757E90 text on white | 4.08:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #757E90 text on black | 5.14:1 | AA | Lc -33.6 | 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 600.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BCC1C9
oklch(80.9% 0.013 259.8)
-
Step 400
400
#9AA1AE
oklch(70.8% 0.021 263)
-
Step 500
500
#818A9A
oklch(63.1% 0.026 262)
-
Step 600
600 (this color)
#757E90
oklch(59.2% 0.03 264.3)
-
Step 700
700
#596171
oklch(49.2% 0.028 264.3)
-
Step 800
800
#494F5C
oklch(42.7% 0.023 265.8)
-
Step 900
900
#3D424B
oklch(37.8% 0.017 262.3)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#757E90 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) | #797F91 | 0.007 |
| Deuteranopia (no green cones) | #767D90 | 0.003 |
| Tritanopia (no blue cones) | #6F8284 | 0.027 |
| Achromatopsia (no color) | #7E7E7E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757E90
#757E90
oklch(59.2% 0.03 264.3)
- #867D6A
#867D6A
oklch(59.2% 0.03 85.7)
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 #757E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.009
- Steel Grey #6F828A ΔE 0.019
- Steel #738595 ΔE 0.019
- Lavender Gray #7E7F9A ΔE 0.021
- Battleship Grey #6B7C85 ΔE 0.023
- Grey Blue #647D8E ΔE 0.024
- Light Slate Gray #778899 ΔE 0.029
- Gray #808080 ΔE 0.031
Use #757E90 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.