#20434D
Closest named color: Charcoal (#264653). oklch(36.1% 0.044 218.7), rgb(32, 67, 77).
Aa
White text reads best on this color (10.65:1).
About this color
#20434D is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.044 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.015 away. White text reads best on it, at 10.65:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #20434D |
| RGB | rgb(32, 67, 77) |
| HSL | hsl(193, 41%, 21%) |
| OKLCH | oklch(36.1% 0.044 218.7) |
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 #20434D | 10.65:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #20434D | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #20434D text on white | 10.65:1 | AAA | Lc 94.6 | Preferred for body text |
| #20434D text on black | 1.97:1 | Fails | Lc -8.0 | 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
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#AAC6CF
oklch(80.9% 0.033 219.2)
-
Step 400
400
#7BA9B7
oklch(70.7% 0.053 218.6)
-
Step 500
500
#5894A5
oklch(63.2% 0.067 218)
-
Step 600
600
#3B7E90
oklch(55.7% 0.073 217.9)
-
Step 700
700
#2C6A7B
oklch(49.1% 0.068 218.7)
-
Step 800
800
#265664
oklch(42.6% 0.057 219.6)
-
Step 900
900 (this color)
#20434D
oklch(36.1% 0.044 218.7)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#20434D 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) | #3D414E | 0.039 |
| Deuteranopia (no green cones) | #363C4D | 0.034 |
| Tritanopia (no blue cones) | #024646 | 0.027 |
| Achromatopsia (no color) | #3E3E3E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20434D
#20434D
oklch(36.1% 0.044 218.7)
- #52352C
#52352C
oklch(36.1% 0.045 38)
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 #20434D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.028
- Dark Teal #014D4E ΔE 0.035
- Midnight Green #073B4C ΔE 0.036
- Onyx #343A40 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.045
Use #20434D 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.