#102823
Closest named color: Jet (#212529). oklch(25.6% 0.032 178.4), rgb(16, 40, 35).
Aa
White text reads best on this color (15.55:1).
About this color
#102823 is a dark, muted teal or cyan. In OKLCH its lightness is 26%, its chroma 0.032 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.031 away. White text reads best on it, at 15.55:1.
| Hue family | Teals and cyans |
| Lightness | dark (26%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.55:1 |
Values
| HEX | #102823 |
| RGB | rgb(16, 40, 35) |
| HSL | hsl(168, 43%, 11%) |
| OKLCH | oklch(25.6% 0.032 178.4) |
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 #102823 | 15.55:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #102823 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #102823 text on white | 15.55:1 | AAA | Lc 102.4 | Preferred for body text |
| #102823 text on black | 1.34:1 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A8C9C1
oklch(80.9% 0.037 179)
-
Step 400
400
#77ADA1
oklch(70.6% 0.06 179.1)
-
Step 500
500
#50998A
oklch(63.1% 0.077 178.7)
-
Step 600
600
#308374
oklch(55.5% 0.083 179)
-
Step 700
700
#216F61
oklch(49.1% 0.078 178.5)
-
Step 800
800
#1E5A4F
oklch(42.6% 0.064 178.7)
-
Step 900
900
#204A42
oklch(37.6% 0.049 179.4)
-
Step 950
950 (this color)
#102823
oklch(25.6% 0.032 178.4)
#102823 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) | #262623 | 0.033 |
| Deuteranopia (no green cones) | #222323 | 0.030 |
| Tritanopia (no blue cones) | #062926 | 0.009 |
| Achromatopsia (no color) | #242424 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102823
#102823
oklch(25.6% 0.032 178.4)
- #301C23
#301C23
oklch(25.5% 0.033 357.1)
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 #102823, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.031
- Dark #1B2431 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.052
- Rich Black #0D1B2A ΔE 0.055
- Dark Forest Green #002D04 ΔE 0.060
- Very Dark Green #062E03 ΔE 0.060
- Pakistan Green #283618 ΔE 0.069
- Gunmetal #293241 ΔE 0.072
Use #102823 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.