#204180
Closest named color: Twilight Blue (#0A437A). oklch(38.7% 0.113 261.8), rgb(32, 65, 128).
Aa
White text reads best on this color (9.86:1).
About this color
#204180 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.113 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.019 away. White text reads best on it, at 9.86:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.12:1 |
| White text | 9.86:1 |
Values
| HEX | #204180 |
| RGB | rgb(32, 65, 128) |
| HSL | hsl(219, 60%, 31%) |
| OKLCH | oklch(38.7% 0.113 261.8) |
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 #204180 | 9.86:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #204180 | 2.12:1 | Fails | Lc 11.4 | Not readable |
| #204180 text on white | 9.86:1 | AAA | Lc 92.5 | Preferred for body text |
| #204180 text on black | 2.12:1 | Fails | Lc -9.9 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A3C1F8
oklch(80.8% 0.085 262.3)
-
Step 400
400
#719FF5
oklch(70.7% 0.136 262.1)
-
Step 500
500
#4B84F1
oklch(63% 0.174 261.9)
-
Step 600
600
#2F6BE0
oklch(55.6% 0.189 261.9)
-
Step 700
700
#2258C2
oklch(49% 0.176 262)
-
Step 800
800
#1D499D
oklch(42.7% 0.146 261.7)
-
Step 900
900 (this color)
#204180
oklch(38.7% 0.113 261.8)
-
Step 950
950
#122549
oklch(27% 0.071 261.9)
#204180 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) | #1F4882 | 0.020 |
| Deuteranopia (no green cones) | #053F7F | 0.020 |
| Tritanopia (no blue cones) | #00505A | 0.090 |
| Achromatopsia (no color) | #434343 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204180
#204180
oklch(38.7% 0.113 261.8)
- #593F00
#593F00
oklch(38.6% 0.08 82.1)
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 #204180, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.019
- Cobalt #1E488F ΔE 0.030
- Light Navy #155084 ΔE 0.043
- Marine Blue #01386A ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.055
- Dusk Blue #26538D ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.058
- Blueberry #464196 ΔE 0.063
Use #204180 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.