#204366
Closest named color: Dark Grey Blue (#29465B). oklch(37.5% 0.073 250.4), rgb(32, 67, 102).
Aa
White text reads best on this color (10.21:1).
About this color
#204366 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.073 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 10.21:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #204366 |
| RGB | rgb(32, 67, 102) |
| HSL | hsl(210, 52%, 26%) |
| OKLCH | oklch(37.5% 0.073 250.4) |
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 #204366 | 10.21:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #204366 | 2.05:1 | Fails | Lc 10.4 | Not readable |
| #204366 text on white | 10.21:1 | AAA | Lc 93.5 | Preferred for body text |
| #204366 text on black | 2.05:1 | Fails | Lc -9.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A7C4E3
oklch(80.9% 0.054 250.2)
-
Step 400
400
#77A5D6
oklch(70.8% 0.088 250.7)
-
Step 500
500
#528ECA
oklch(63.2% 0.111 250)
-
Step 600
600
#3477B7
oklch(55.7% 0.121 250)
-
Step 700
700
#26639E
oklch(49% 0.113 250.7)
-
Step 800
800
#215180
oklch(42.6% 0.094 250.6)
-
Step 900
900 (this color)
#204366
oklch(37.5% 0.073 250.4)
-
Step 950
950
#14283C
oklch(27.1% 0.046 249.9)
#204366 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) | #344567 | 0.026 |
| Deuteranopia (no green cones) | #2A3E65 | 0.017 |
| Tritanopia (no blue cones) | #004B50 | 0.056 |
| Achromatopsia (no color) | #414141 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204366
#204366
oklch(37.5% 0.073 250.4)
- #59390C
#59390C
oklch(37.4% 0.073 70.2)
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 #204366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Twilight Blue #0A437A ΔE 0.036
- Charcoal #264653 ΔE 0.037
- Marine Blue #01386A ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.048
- Midnight Green #073B4C ΔE 0.055
- Light Navy #155084 ΔE 0.058
Use #204366 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.