#102738
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.043 242.8), rgb(16, 39, 56).
Aa
White text reads best on this color (15.33:1).
About this color
#102738 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.043 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.016 away. White text reads best on it, at 15.33:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.33:1 |
Values
| HEX | #102738 |
| RGB | rgb(16, 39, 56) |
| HSL | hsl(206, 56%, 14%) |
| OKLCH | oklch(26.3% 0.043 242.8) |
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 #102738 | 15.33:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #102738 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #102738 text on white | 15.33:1 | AAA | Lc 102.1 | Preferred for body text |
| #102738 text on black | 1.36:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A5C5E0
oklch(80.9% 0.052 243.9)
-
Step 400
400
#73A7D0
oklch(70.7% 0.082 243)
-
Step 500
500
#4B90C4
oklch(63.1% 0.105 243.3)
-
Step 600
600
#297AB0
oklch(55.7% 0.113 242.4)
-
Step 700
700
#1B6697
oklch(49% 0.105 242.8)
-
Step 800
800
#1A547B
oklch(42.8% 0.087 242.6)
-
Step 900
900
#1C4563
oklch(37.6% 0.069 243.3)
-
Step 950
950 (this color)
#102738
oklch(26.3% 0.043 242.8)
#102738 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) | #1F2739 | 0.020 |
| Deuteranopia (no green cones) | #1A2338 | 0.018 |
| Tritanopia (no blue cones) | #002B2D | 0.032 |
| Achromatopsia (no color) | #252525 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102738
#102738
oklch(26.3% 0.043 242.8)
- #34200D
#34200D
oklch(26.4% 0.043 62.5)
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 #102738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.016
- Dark #1B2431 ΔE 0.018
- Jet #212529 ΔE 0.034
- Rich Black #0D1B2A ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.049
- Gunmetal #293241 ΔE 0.055
- Midnight Green #073B4C ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.070
Use #102738 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.