#20455A
Closest named color: Dark Grey Blue (#29465B). oklch(37.3% 0.056 235.8), rgb(32, 69, 90).
Aa
White text reads best on this color (10.19:1).
About this color
#20455A is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.056 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.011 away. White text reads best on it, at 10.19:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.06:1 |
| White text | 10.19:1 |
Values
| HEX | #20455A |
| RGB | rgb(32, 69, 90) |
| HSL | hsl(202, 48%, 24%) |
| OKLCH | oklch(37.3% 0.056 235.8) |
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 #20455A | 10.19:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #20455A | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #20455A text on white | 10.19:1 | AAA | Lc 93.5 | Preferred for body text |
| #20455A text on black | 2.06:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A8C5D8
oklch(80.8% 0.041 236.8)
-
Step 400
400
#78A8C5
oklch(70.8% 0.067 235.5)
-
Step 500
500
#5392B6
oklch(63.2% 0.085 235.3)
-
Step 600
600
#347BA2
oklch(55.5% 0.093 236)
-
Step 700
700
#26688B
oklch(49.2% 0.086 235.7)
-
Step 800
800
#215571
oklch(42.8% 0.072 235.6)
-
Step 900
900 (this color)
#20455A
oklch(37.3% 0.056 235.8)
-
Step 950
950
#142935
oklch(26.9% 0.035 235.2)
#20455A 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) | #3B445B | 0.034 |
| Deuteranopia (no green cones) | #333E5A | 0.030 |
| Tritanopia (no blue cones) | #004A4C | 0.039 |
| Achromatopsia (no color) | #414141 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20455A
#20455A
oklch(37.3% 0.056 235.8)
- #573822
#573822
oklch(37.2% 0.056 55.4)
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 #20455A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.011
- Charcoal #264653 ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.036
- Dark Teal #014D4E ΔE 0.042
- Midnight Green #073B4C ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.049
- Onyx #343A40 ΔE 0.051
Use #20455A 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.