#204390
Closest named color: Cobalt (#1E488F). oklch(40.4% 0.134 263.3), rgb(32, 67, 144).
Aa
White text reads best on this color (9.26:1).
About this color
#204390 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.134 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.014 away. White text reads best on it, at 9.26:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #204390 |
| RGB | rgb(32, 67, 144) |
| HSL | hsl(221, 64%, 35%) |
| OKLCH | oklch(40.4% 0.134 263.3) |
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 #204390 | 9.26:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #204390 | 2.26:1 | Fails | Lc 13.0 | Not readable |
| #204390 text on white | 9.26:1 | AAA | Lc 90.9 | Preferred for body text |
| #204390 text on black | 2.26:1 | Fails | Lc -11.4 | 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 800.
-
Step 50
50
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300
#A6C1F4
oklch(80.9% 0.078 262.9)
-
Step 400
400
#779FEF
oklch(70.7% 0.126 263.3)
-
Step 500
500
#5585E9
oklch(63.1% 0.159 263.3)
-
Step 600
600
#3A6CD8
oklch(55.6% 0.175 263.2)
-
Step 700
700
#2D59BB
oklch(49% 0.162 263.4)
-
Step 800
800 (this color)
#204390
oklch(40.4% 0.134 263.3)
-
Step 900
900
#233E78
oklch(37.6% 0.104 263.4)
-
Step 950
950
#152546
oklch(27% 0.065 263.2)
#204390 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) | #0D4D93 | 0.028 |
| Deuteranopia (no green cones) | #00428E | 0.020 |
| Tritanopia (no blue cones) | #005663 | 0.106 |
| Achromatopsia (no color) | #474747 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204390
#204390
oklch(40.4% 0.134 263.3)
- #5E4400
#5E4400
oklch(40.4% 0.083 83.7)
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 #204390, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.014
- Twilight Blue #0A437A ΔE 0.041
- Light Navy #155084 ΔE 0.044
- Dusk Blue #26538D ΔE 0.048
- Blueberry #464196 ΔE 0.049
- Sapphire #2138AB ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.058
Use #204390 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.