#002343
Closest named color: Oxford Blue (#1B263B). oklch(25.3% 0.072 250.3), rgb(0, 35, 67).
Aa
White text reads best on this color (15.89:1).
About this color
#002343 is a dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.072 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 15.89:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.89:1 |
Values
| HEX | #002343 |
| RGB | rgb(0, 35, 67) |
| HSL | hsl(209, 100%, 13%) |
| OKLCH | oklch(25.3% 0.072 250.3) |
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 #002343 | 15.89:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #002343 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #002343 text on white | 15.89:1 | AAA | Lc 102.5 | Preferred for body text |
| #002343 text on black | 1.32:1 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFA
oklch(93.7% 0.024 248.1)
-
Step 200
200
#C2DCF8
oklch(88.4% 0.048 250.3)
-
Step 300
300
#97C5F6
oklch(80.9% 0.085 250.5)
-
Step 400
400
#58A5F2
oklch(70.6% 0.137 250.3)
-
Step 500
500
#128CED
oklch(63% 0.174 250.2)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0063AC
oklch(49.2% 0.139 250)
-
Step 800
800
#00508E
oklch(42.6% 0.122 250.5)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950 (this color)
#002343
oklch(25.3% 0.072 250.3)
#002343 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) | #122544 | 0.020 |
| Deuteranopia (no green cones) | #061F42 | 0.013 |
| Tritanopia (no blue cones) | #002B2F | 0.053 |
| Achromatopsia (no color) | #222222 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002343
#002343
oklch(25.3% 0.072 250.3)
- #331D00
#331D00
oklch(25.4% 0.055 70.1)
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 #002343, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Dark #1B2431 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.050
- Navy Blue #001146 ΔE 0.055
- Marine #042E60 ΔE 0.061
- Jet #212529 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.076
Use #002343 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.