#20456A
Closest named color: Dark Grey Blue (#29465B). oklch(38.2% 0.076 250.5), rgb(32, 69, 106).
Aa
White text reads best on this color (9.90:1).
About this color
#20456A is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.076 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 9.90:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.12:1 |
| White text | 9.90:1 |
Values
| HEX | #20456A |
| RGB | rgb(32, 69, 106) |
| HSL | hsl(210, 54%, 27%) |
| OKLCH | oklch(38.2% 0.076 250.5) |
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 #20456A | 9.90:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #20456A | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #20456A text on white | 9.90:1 | AAA | Lc 92.8 | Preferred for body text |
| #20456A text on black | 2.12:1 | Fails | Lc -9.7 | 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
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A5C4E5
oklch(80.9% 0.058 250.2)
-
Step 400
400
#74A5D8
oklch(70.7% 0.092 250.2)
-
Step 500
500
#4E8DCE
oklch(63% 0.118 250.9)
-
Step 600
600
#2F76BB
oklch(55.5% 0.128 250.8)
-
Step 700
700
#2163A1
oklch(49.1% 0.119 250.6)
-
Step 800
800
#1E5182
oklch(42.6% 0.098 250.5)
-
Step 900
900 (this color)
#20456A
oklch(38.2% 0.076 250.5)
-
Step 950
950
#13283D
oklch(27.1% 0.048 250)
#20456A 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) | #35476C | 0.026 |
| Deuteranopia (no green cones) | #2B4069 | 0.018 |
| Tritanopia (no blue cones) | #004E52 | 0.061 |
| Achromatopsia (no color) | #434343 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20456A
#20456A
oklch(38.2% 0.076 250.5)
- #5C3B0A
#5C3B0A
oklch(38.2% 0.076 71)
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 #20456A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Twilight Blue #0A437A ΔE 0.032
- Charcoal #264653 ΔE 0.041
- Light Navy #155084 ΔE 0.049
- Marine Blue #01386A ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.056
Use #20456A 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.