#204255
Closest named color: Charcoal (#264653). oklch(36.2% 0.052 235.1), rgb(32, 66, 85).
Aa
White text reads best on this color (10.64:1).
About this color
#204255 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.052 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.017 away. White text reads best on it, at 10.64:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #204255 |
| RGB | rgb(32, 66, 85) |
| HSL | hsl(202, 45%, 23%) |
| OKLCH | oklch(36.2% 0.052 235.1) |
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 #204255 | 10.64:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #204255 | 1.97:1 | Fails | Lc 9.4 | Not readable |
| #204255 text on white | 10.64:1 | AAA | Lc 94.6 | Preferred for body text |
| #204255 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#A9C5D6
oklch(80.8% 0.039 234.6)
-
Step 400
400
#7BA7C2
oklch(70.6% 0.062 235.7)
-
Step 500
500
#5791B3
oklch(63% 0.08 235.7)
-
Step 600
600
#3A7B9E
oklch(55.5% 0.086 234.8)
-
Step 700
700
#2C6888
oklch(49.2% 0.08 235)
-
Step 800
800
#26556E
oklch(42.8% 0.066 234.5)
-
Step 900
900 (this color)
#204255
oklch(36.2% 0.052 235.1)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#204255 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) | #394156 | 0.032 |
| Deuteranopia (no green cones) | #323C55 | 0.028 |
| Tritanopia (no blue cones) | #004748 | 0.039 |
| Achromatopsia (no color) | #3E3E3E | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204255
#204255
oklch(36.2% 0.052 235.1)
- #533623
#533623
oklch(36.2% 0.052 53.6)
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 #204255, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.017
- Dark Grey Blue #29465B ΔE 0.019
- Dark Blue Grey #1F3B4D ΔE 0.024
- Midnight Green #073B4C ΔE 0.035
- Onyx #343A40 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.045
- Dark Teal #014D4E ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.046
Use #204255 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.