#102D38
Closest named color: Oxford Blue (#1B263B). oklch(28% 0.04 225.9), rgb(16, 45, 56).
Aa
White text reads best on this color (14.43:1).
About this color
#102D38 is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.040 and its hue 226°. 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 14.43:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.45:1 |
| White text | 14.43:1 |
Values
| HEX | #102D38 |
| RGB | rgb(16, 45, 56) |
| HSL | hsl(196, 56%, 14%) |
| OKLCH | oklch(28% 0.04 225.9) |
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 #102D38 | 14.43:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #102D38 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #102D38 text on white | 14.43:1 | AAA | Lc 101.1 | Preferred for body text |
| #102D38 text on black | 1.45:1 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C8D8
oklch(81% 0.047 224.8)
-
Step 400
400
#6BABC5
oklch(70.8% 0.076 225.8)
-
Step 500
500
#3C95B6
oklch(63% 0.097 226.1)
-
Step 600
600
#057FA2
oklch(55.6% 0.105 226)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#025771
oklch(42.6% 0.081 226.9)
-
Step 900
900
#12485B
oklch(37.6% 0.063 226.1)
-
Step 950
950 (this color)
#102D38
oklch(28% 0.04 225.9)
#102D38 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) | #272C39 | 0.031 |
| Deuteranopia (no green cones) | #212838 | 0.026 |
| Tritanopia (no blue cones) | #003031 | 0.023 |
| Achromatopsia (no color) | #2A2A2A | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102D38
#102D38
oklch(28% 0.04 225.9)
- #392318
#392318
oklch(28.1% 0.039 47.2)
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 #102D38, 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 0.031
- Jet #212529 ΔE 0.036
- Gunmetal #293241 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.043
- Midnight Green #073B4C ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.062
Use #102D38 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.