#102135
Closest named color: Dark (#1B2431). oklch(24.4% 0.045 253.5), rgb(16, 33, 53).
Aa
White text reads best on this color (16.26:1).
About this color
#102135 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.045 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.022 away. White text reads best on it, at 16.26:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.26:1 |
Values
| HEX | #102135 |
| RGB | rgb(16, 33, 53) |
| HSL | hsl(212, 54%, 14%) |
| OKLCH | oklch(24.4% 0.045 253.5) |
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 #102135 | 16.26:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #102135 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #102135 text on white | 16.26:1 | AAA | Lc 103.1 | Preferred for body text |
| #102135 text on black | 1.29:1 | 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
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A9C3E3
oklch(80.8% 0.054 253.8)
-
Step 400
400
#7BA4D5
oklch(70.8% 0.085 253.3)
-
Step 500
500
#588CCA
oklch(63% 0.109 253.7)
-
Step 600
600
#3D75B6
oklch(55.5% 0.118 253.6)
-
Step 700
700
#2F629D
oklch(49.1% 0.11 253.7)
-
Step 800
800
#28507F
oklch(42.6% 0.091 253.9)
-
Step 900
900
#254366
oklch(37.7% 0.07 253.4)
-
Step 950
950 (this color)
#102135
oklch(24.4% 0.045 253.5)
#102135 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) | #192236 | 0.014 |
| Deuteranopia (no green cones) | #141F35 | 0.008 |
| Tritanopia (no blue cones) | #002628 | 0.039 |
| Achromatopsia (no color) | #202020 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102135
#102135
oklch(24.4% 0.045 253.5)
- #2D1C05
#2D1C05
oklch(24.3% 0.045 71.7)
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 #102135, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.022
- Oxford Blue #1B263B ΔE 0.026
- Rich Black #0D1B2A ΔE 0.028
- Jet #212529 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.064
- Navy Blue #001146 ΔE 0.067
- Gunmetal #293241 ΔE 0.073
- Rich Navy #001219 ΔE 0.079
Use #102135 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.