#102A23
Closest named color: Jet (#212529). oklch(26.2% 0.035 173.7), rgb(16, 42, 35).
Aa
White text reads best on this color (15.24:1).
About this color
#102A23 is a dark, muted teal or cyan. In OKLCH its lightness is 26%, its chroma 0.035 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 15.24:1.
| Hue family | Teals and cyans |
| Lightness | dark (26%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.37:1 |
| White text | 15.24:1 |
Values
| HEX | #102A23 |
| RGB | rgb(16, 42, 35) |
| HSL | hsl(164, 45%, 11%) |
| OKLCH | oklch(26.2% 0.035 173.7) |
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 #102A23 | 15.24:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #102A23 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #102A23 text on white | 15.24:1 | AAA | Lc 102.1 | Preferred for body text |
| #102A23 text on black | 1.37:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CBDED8
oklch(88.5% 0.022 174.9)
-
Step 300
300
#A6CABE
oklch(80.9% 0.042 173)
-
Step 400
400
#74AE9D
oklch(70.6% 0.066 174)
-
Step 500
500
#4C9A85
oklch(63% 0.084 173.7)
-
Step 600
600
#29856F
oklch(55.7% 0.092 173.6)
-
Step 700
700
#19705D
oklch(49% 0.085 174.2)
-
Step 800
800
#195B4C
oklch(42.6% 0.07 174.5)
-
Step 900
900
#1C4B3F
oklch(37.6% 0.055 173.8)
-
Step 950
950 (this color)
#102A23
oklch(26.2% 0.035 173.7)
#102A23 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) | #292723 | 0.038 |
| Deuteranopia (no green cones) | #242423 | 0.034 |
| Tritanopia (no blue cones) | #062A28 | 0.012 |
| Achromatopsia (no color) | #252525 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102A23
#102A23
oklch(26.2% 0.035 173.7)
- #321D26
#321D26
oklch(26.2% 0.036 352.6)
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 #102A23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Dark #1B2431 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.055
- Dark Forest Green #002D04 ΔE 0.056
- Very Dark Green #062E03 ΔE 0.056
- Pakistan Green #283618 ΔE 0.062
- Rich Black #0D1B2A ΔE 0.062
- Gunmetal #293241 ΔE 0.070
Use #102A23 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.