#102E3D
Closest named color: Oxford Blue (#1B263B). oklch(28.6% 0.045 233.2), rgb(16, 46, 61).
Aa
White text reads best on this color (14.18:1).
About this color
#102E3D is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.045 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 14.18:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.48:1 |
| White text | 14.18:1 |
Values
| HEX | #102E3D |
| RGB | rgb(16, 46, 61) |
| HSL | hsl(200, 58%, 15%) |
| OKLCH | oklch(28.6% 0.045 233.2) |
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 #102E3D | 14.18:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #102E3D | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #102E3D text on white | 14.18:1 | AAA | Lc 100.8 | Preferred for body text |
| #102E3D text on black | 1.48:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400
#68AACD
oklch(70.7% 0.085 232.9)
-
Step 500
500
#3794C0
oklch(63.1% 0.108 232.9)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#0E4761
oklch(37.6% 0.071 233.7)
-
Step 950
950 (this color)
#102E3D
oklch(28.6% 0.045 233.2)
#102E3D 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) | #272D3E | 0.030 |
| Deuteranopia (no green cones) | #20293D | 0.024 |
| Tritanopia (no blue cones) | #003233 | 0.029 |
| Achromatopsia (no color) | #2B2B2B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102E3D
#102E3D
oklch(28.6% 0.045 233.2)
- #3C2414
#3C2414
oklch(28.7% 0.045 53.6)
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 #102E3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.036
- Gunmetal #293241 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.038
- Jet #212529 ΔE 0.043
- Midnight Green #073B4C ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.053
Use #102E3D 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.