#102A33
Closest named color: Dark (#1B2431). oklch(26.9% 0.036 223.3), rgb(16, 42, 51).
Aa
White text reads best on this color (14.98:1).
About this color
#102A33 is a dark, muted teal or cyan. In OKLCH its lightness is 27%, its chroma 0.036 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.023 away. White text reads best on it, at 14.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (27%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #102A33 |
| RGB | rgb(16, 42, 51) |
| HSL | hsl(195, 52%, 13%) |
| OKLCH | oklch(26.9% 0.036 223.3) |
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 #102A33 | 14.98:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #102A33 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #102A33 text on white | 14.98:1 | AAA | Lc 101.8 | Preferred for body text |
| #102A33 text on black | 1.40:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A4C7D5
oklch(80.9% 0.042 224.1)
-
Step 400
400
#70AAC0
oklch(70.6% 0.068 223.9)
-
Step 500
500
#4695B0
oklch(63.1% 0.087 223.2)
-
Step 600
600
#207F9C
oklch(55.7% 0.095 223.5)
-
Step 700
700
#0F6B85
oklch(49.1% 0.088 223.3)
-
Step 800
800
#13576C
oklch(42.6% 0.073 223.8)
-
Step 900
900
#194858
oklch(37.7% 0.057 224)
-
Step 950
950 (this color)
#102A33
oklch(26.9% 0.036 223.3)
#102A33 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) | #252933 | 0.029 |
| Deuteranopia (no green cones) | #202533 | 0.026 |
| Tritanopia (no blue cones) | #002D2D | 0.022 |
| Achromatopsia (no color) | #272727 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102A33
#102A33
oklch(26.9% 0.036 223.3)
- #352018
#352018
oklch(26.8% 0.036 41.6)
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 #102A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.023
- Oxford Blue #1B263B ΔE 0.027
- Jet #212529 ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.050
- Gunmetal #293241 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.054
- Midnight Green #073B4C ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.071
Use #102A33 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.