#204797
Closest named color: Cobalt (#1E488F). oklch(41.9% 0.139 262.5), rgb(32, 71, 151).
Aa
White text reads best on this color (8.71:1).
About this color
#204797 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.139 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 8.71:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #204797 |
| RGB | rgb(32, 71, 151) |
| HSL | hsl(220, 65%, 36%) |
| OKLCH | oklch(41.9% 0.139 262.5) |
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 #204797 | 8.71:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #204797 | 2.40:1 | Fails | Lc 14.6 | Not readable |
| #204797 text on white | 8.71:1 | AAA | Lc 89.4 | Fine for body text |
| #204797 text on black | 2.40:1 | Fails | Lc -12.8 | 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
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A5C1F6
oklch(80.9% 0.081 263)
-
Step 400
400
#749FF1
oklch(70.6% 0.13 262.5)
-
Step 500
500
#5085ED
oklch(63.2% 0.166 262.3)
-
Step 600
600
#356CDB
oklch(55.7% 0.18 262.4)
-
Step 700
700
#2859BE
oklch(49.1% 0.168 262.5)
-
Step 800
800 (this color)
#204797
oklch(41.9% 0.139 262.5)
-
Step 900
900
#203E7A
oklch(37.6% 0.108 262.4)
-
Step 950
950
#132548
oklch(27% 0.069 262.3)
#204797 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) | #10519A | 0.027 |
| Deuteranopia (no green cones) | #004695 | 0.019 |
| Tritanopia (no blue cones) | #005A68 | 0.107 |
| Achromatopsia (no color) | #4B4B4B | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204797
#204797
oklch(41.9% 0.139 262.5)
- #644700
#644700
oklch(41.9% 0.086 81.8)
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 #204797, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.014
- Dusk Blue #26538D ΔE 0.041
- Light Navy #155084 ΔE 0.044
- Blueberry #464196 ΔE 0.047
- Sapphire #2138AB ΔE 0.049
- Twilight Blue #0A437A ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.056
Use #204797 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.