#102729
Closest named color: Jet (#212529). oklch(25.5% 0.029 202.9), rgb(16, 39, 41).
Aa
White text reads best on this color (15.62:1).
About this color
#102729 is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.025 away. White text reads best on it, at 15.62:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #102729 |
| RGB | rgb(16, 39, 41) |
| HSL | hsl(185, 44%, 11%) |
| OKLCH | oklch(25.5% 0.029 202.9) |
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 #102729 | 15.62:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #102729 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #102729 text on white | 15.62:1 | AAA | Lc 102.5 | Preferred for body text |
| #102729 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A8C8CA
oklch(81% 0.034 201.2)
-
Step 400
400
#77ABB0
oklch(70.7% 0.055 203.5)
-
Step 500
500
#51969C
oklch(63% 0.07 202.9)
-
Step 600
600
#318087
oklch(55.5% 0.076 203.4)
-
Step 700
700
#226D73
oklch(49.2% 0.072 202.8)
-
Step 800
800
#1F585D
oklch(42.6% 0.059 203.3)
-
Step 900
900
#20494C
oklch(37.7% 0.046 201.8)
-
Step 950
950 (this color)
#102729
oklch(25.5% 0.029 202.9)
#102729 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) | #242529 | 0.030 |
| Deuteranopia (no green cones) | #202229 | 0.028 |
| Tritanopia (no blue cones) | #032928 | 0.014 |
| Achromatopsia (no color) | #232323 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102729
#102729
oklch(25.5% 0.029 202.9)
- #301D1C
#301D1C
oklch(25.5% 0.03 22.7)
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 #102729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.025
- Dark #1B2431 ΔE 0.026
- Oxford Blue #1B263B ΔE 0.040
- Rich Black #0D1B2A ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.065
- Gunmetal #293241 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.072
- Very Dark Green #062E03 ΔE 0.073
Use #102729 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.