#283053
Closest named color: Prussian Blue (#1D3557). oklch(32% 0.063 272.6), rgb(40, 48, 83).
Aa
White text reads best on this color (12.82:1).
About this color
#283053 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.063 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.020 away. White text reads best on it, at 12.82:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.82:1 |
Values
| HEX | #283053 |
| RGB | rgb(40, 48, 83) |
| HSL | hsl(229, 35%, 24%) |
| OKLCH | oklch(32% 0.063 272.6) |
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 #283053 | 12.82:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #283053 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #283053 text on white | 12.82:1 | AAA | Lc 98.9 | Preferred for body text |
| #283053 text on black | 1.63:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#B0BEF2
oklch(80.9% 0.075 272.9)
-
Step 400
400
#879BEB
oklch(70.7% 0.12 272.3)
-
Step 500
500
#6B80E5
oklch(63.1% 0.153 272.5)
-
Step 600
600
#5567D3
oklch(55.6% 0.166 272.7)
-
Step 700
700
#4555B7
oklch(49.1% 0.155 272.4)
-
Step 800
800
#394694
oklch(42.7% 0.128 272.7)
-
Step 900
900
#303C76
oklch(37.8% 0.1 272)
-
Step 950
950 (this color)
#283053
oklch(32% 0.063 272.6)
#283053 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) | #233454 | 0.013 |
| Deuteranopia (no green cones) | #1F3052 | 0.013 |
| Tritanopia (no blue cones) | #18373D | 0.056 |
| Achromatopsia (no color) | #323232 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283053
#283053
oklch(32% 0.063 272.6)
- #3E3102
#3E3102
oklch(31.9% 0.063 92.1)
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 #283053, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.020
- Space Cadet #2B2D42 ΔE 0.030
- Gunmetal #293241 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.041
- Marine #042E60 ΔE 0.044
- Midnight Green #073B4C ΔE 0.050
- Marine Blue #01386A ΔE 0.051
- Oxford Blue #1B263B ΔE 0.056
Use #283053 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.