#20424A
Closest named color: Charcoal (#264653). oklch(35.7% 0.042 214.9), rgb(32, 66, 74).
Aa
White text reads best on this color (10.82:1).
About this color
#20424A is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.042 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.020 away. White text reads best on it, at 10.82:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.93:1 |
| White text | 10.82:1 |
Values
| HEX | #20424A |
| RGB | rgb(32, 66, 74) |
| HSL | hsl(191, 40%, 21%) |
| OKLCH | oklch(35.7% 0.042 214.9) |
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 #20424A | 10.82:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #20424A | 1.93:1 | Fails | Lc 8.9 | Not readable |
| #20424A text on white | 10.82:1 | AAA | Lc 95.0 | Preferred for body text |
| #20424A text on black | 1.93:1 | Fails | Lc -7.7 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CD
oklch(80.9% 0.031 215.1)
-
Step 400
400
#7DA9B4
oklch(70.7% 0.05 214.9)
-
Step 500
500
#5A94A2
oklch(63.2% 0.064 214.9)
-
Step 600
600
#3D7E8D
oklch(55.7% 0.07 214.8)
-
Step 700
700
#2F6A78
oklch(49.1% 0.065 215.6)
-
Step 800
800
#285761
oklch(42.8% 0.054 213.4)
-
Step 900
900 (this color)
#20424A
oklch(35.7% 0.042 214.9)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#20424A 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) | #3C404A | 0.037 |
| Deuteranopia (no green cones) | #363B4A | 0.035 |
| Tritanopia (no blue cones) | #064544 | 0.025 |
| Achromatopsia (no color) | #3D3D3D | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20424A
#20424A
oklch(35.7% 0.042 214.9)
- #50342D
#50342D
oklch(35.6% 0.043 34.6)
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 #20424A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.020
- Dark Blue Grey #1F3B4D ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.033
- Onyx #343A40 ΔE 0.034
- Midnight Green #073B4C ΔE 0.034
- Dark Teal #014D4E ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.048
Use #20424A 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.