#06283E
Closest named color: Oxford Blue (#1B263B). oklch(26.6% 0.056 242), rgb(6, 40, 62).
Aa
White text reads best on this color (15.20:1).
About this color
#06283E is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.056 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 15.20:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.20:1 |
Values
| HEX | #06283E |
| RGB | rgb(6, 40, 62) |
| HSL | hsl(204, 82%, 13%) |
| OKLCH | oklch(26.6% 0.056 242) |
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 #06283E | 15.20:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #06283E | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #06283E text on white | 15.20:1 | AAA | Lc 101.9 | Preferred for body text |
| #06283E text on black | 1.38:1 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C5DDF0
oklch(88.6% 0.037 241.8)
-
Step 300
300
#9BC7E8
oklch(81% 0.066 241)
-
Step 400
400
#60A8DD
oklch(70.6% 0.106 242.2)
-
Step 500
500
#2791D4
oklch(63% 0.136 242.3)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#02466C
oklch(37.8% 0.088 241.9)
-
Step 950
950 (this color)
#06283E
oklch(26.6% 0.056 242)
#06283E 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) | #1E283F | 0.027 |
| Deuteranopia (no green cones) | #16233E | 0.022 |
| Tritanopia (no blue cones) | #002D30 | 0.037 |
| Achromatopsia (no color) | #262626 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06283E
#06283E
oklch(26.6% 0.056 242)
- #381E04
#381E04
oklch(26.5% 0.055 61.7)
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 #06283E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Dark #1B2431 ΔE 0.031
- Jet #212529 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.053
- Gunmetal #293241 ΔE 0.058
- Marine #042E60 ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.065
Use #06283E 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.