#254145
Closest named color: Charcoal (#264653). oklch(35.5% 0.035 207.3), rgb(37, 65, 69).
Aa
White text reads best on this color (10.93:1).
About this color
#254145 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.035 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.026 away. White text reads best on it, at 10.93:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #254145 |
| RGB | rgb(37, 65, 69) |
| HSL | hsl(188, 30%, 21%) |
| OKLCH | oklch(35.5% 0.035 207.3) |
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 #254145 | 10.93:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #254145 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #254145 text on white | 10.93:1 | AAA | Lc 95.2 | Preferred for body text |
| #254145 text on black | 1.92:1 | Fails | Lc -7.4 | Not readable |
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 900.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6C9
oklch(80.9% 0.026 205.8)
-
Step 400
400
#83A8AE
oklch(70.6% 0.041 208.5)
-
Step 500
500
#63939A
oklch(63.2% 0.053 207.4)
-
Step 600
600
#487D85
oklch(55.6% 0.058 208)
-
Step 700
700
#396970
oklch(49% 0.053 207.7)
-
Step 800
800
#30565B
oklch(42.7% 0.044 206.5)
-
Step 900
900 (this color)
#254145
oklch(35.5% 0.035 207.3)
-
Step 950
950
#192A2C
oklch(27.1% 0.023 205.2)
#254145 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) | #3D3F45 | 0.034 |
| Deuteranopia (no green cones) | #373B45 | 0.030 |
| Tritanopia (no blue cones) | #174342 | 0.017 |
| Achromatopsia (no color) | #3D3D3D | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254145
#254145
oklch(35.5% 0.035 207.3)
- #4C3532
#4C3532
oklch(35.4% 0.034 27.3)
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 #254145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.026
- Onyx #343A40 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.032
- Midnight Green #073B4C ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.039
- Dark Teal #014D4E ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.049
Use #254145 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.