#495957
Closest named color: Dark Slate Gray (#2F4F4F). oklch(45% 0.02 187.2), rgb(73, 89, 87).
Aa
White text reads best on this color (7.36:1).
About this color
#495957 is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.050 away. White text reads best on it, at 7.36:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.84:1 |
| White text | 7.36:1 |
Values
| HEX | #495957 |
| RGB | rgb(73, 89, 87) |
| HSL | hsl(173, 10%, 32%) |
| OKLCH | oklch(45% 0.02 187.2) |
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 #495957 | 7.36:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #495957 | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #495957 text on white | 7.36:1 | AAA | Lc 85.6 | Fine for body text |
| #495957 text on black | 2.84:1 | Fails | Lc -16.4 | Dividers and decoration only |
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 800.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EAEA
oklch(93.5% 0.003 197.1)
-
Step 200
200
#D5DADA
oklch(88.5% 0.005 197.1)
-
Step 300
300
#B9C3C2
oklch(80.9% 0.011 189.8)
-
Step 400
400
#94A5A2
oklch(70.8% 0.02 184)
-
Step 500
500
#7A8E8C
oklch(63% 0.023 189.2)
-
Step 600
600
#637976
oklch(55.8% 0.026 186.3)
-
Step 700
700
#526563
oklch(49% 0.023 188.6)
-
Step 800
800 (this color)
#495957
oklch(45% 0.02 187.2)
-
Step 900
900
#394443
oklch(37.6% 0.014 189.8)
-
Step 950
950
#212827
oklch(27% 0.01 186.1)
#495957 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) | #575757 | 0.021 |
| Deuteranopia (no green cones) | #545557 | 0.020 |
| Tritanopia (no blue cones) | #455A58 | 0.006 |
| Achromatopsia (no color) | #565656 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #495957
#495957
oklch(45% 0.02 187.2)
- #605153
#605153
oklch(45.1% 0.02 8.8)
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 #495957, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.051
- Slate #516572 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.052
- Dusty Grape #545775 ΔE 0.056
- Petrol #005F6A ΔE 0.058
- Dark Aqua #05696B ΔE 0.064
- Deep Teal #00555A ΔE 0.065
Use #495957 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.