#204570
Closest named color: Twilight Blue (#0A437A). oklch(38.6% 0.085 253.8), rgb(32, 69, 112).
Aa
White text reads best on this color (9.78:1).
About this color
#204570 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.085 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.024 away. White text reads best on it, at 9.78:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #204570 |
| RGB | rgb(32, 69, 112) |
| HSL | hsl(212, 56%, 28%) |
| OKLCH | oklch(38.6% 0.085 253.8) |
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 #204570 | 9.78:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #204570 | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #204570 text on white | 9.78:1 | AAA | Lc 92.5 | Preferred for body text |
| #204570 text on black | 2.14:1 | Fails | Lc -10.0 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#C9DBF1
oklch(88.5% 0.036 253.5)
-
Step 300
300
#A4C4EA
oklch(81% 0.064 253)
-
Step 400
400
#73A4DF
oklch(70.8% 0.102 253.7)
-
Step 500
500
#4C8CD6
oklch(63.1% 0.13 253.5)
-
Step 600
600
#2D74C3
oklch(55.5% 0.142 253.7)
-
Step 700
700
#2061A9
oklch(49.1% 0.132 254)
-
Step 800
800
#1D5089
oklch(42.8% 0.109 253.8)
-
Step 900
900 (this color)
#204570
oklch(38.6% 0.085 253.8)
-
Step 950
950
#122740
oklch(26.9% 0.054 254)
#204570 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) | #324872 | 0.024 |
| Deuteranopia (no green cones) | #26406F | 0.015 |
| Tritanopia (no blue cones) | #004F55 | 0.066 |
| Achromatopsia (no color) | #444444 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204570
#204570
oklch(38.6% 0.085 253.8)
- #5E3C00
#5E3C00
oklch(38.7% 0.082 73.4)
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 #204570, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.038
- Light Navy #155084 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.049
- Marine Blue #01386A ΔE 0.049
- Charcoal #264653 ΔE 0.052
- Cobalt #1E488F ΔE 0.052
- Dusk Blue #26538D ΔE 0.060
Use #204570 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.