#101E25
Closest named color: Rich Black (#0D1B2A). oklch(22.6% 0.024 230.9), rgb(16, 30, 37).
Aa
White text reads best on this color (17.01:1).
About this color
#101E25 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.018 away. White text reads best on it, at 17.01:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #101E25 |
| RGB | rgb(16, 30, 37) |
| HSL | hsl(200, 40%, 10%) |
| OKLCH | oklch(22.6% 0.024 230.9) |
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 #101E25 | 17.01:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #101E25 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #101E25 text on white | 17.01:1 | AAA | Lc 103.9 | Preferred for body text |
| #101E25 text on black | 1.23:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AFC4D0
oklch(80.8% 0.029 232.8)
-
Step 400
400
#85A6B8
oklch(70.7% 0.045 232.1)
-
Step 500
500
#6590A6
oklch(63% 0.058 231.1)
-
Step 600
600
#4C7A91
oklch(55.6% 0.062 231.1)
-
Step 700
700
#3C677C
oklch(49.1% 0.058 230.8)
-
Step 800
800
#325465
oklch(42.7% 0.049 231.2)
-
Step 900
900
#2C4552
oklch(37.6% 0.038 231.8)
-
Step 950
950 (this color)
#101E25
oklch(22.6% 0.024 230.9)
#101E25 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) | #1B1E25 | 0.017 |
| Deuteranopia (no green cones) | #181B25 | 0.016 |
| Tritanopia (no blue cones) | #072020 | 0.018 |
| Achromatopsia (no color) | #1C1C1C | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101E25
#101E25
oklch(22.6% 0.024 230.9)
- #251912
#251912
oklch(22.6% 0.023 51.4)
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 #101E25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.018
- Dark #1B2431 ΔE 0.035
- Jet #212529 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.050
- Rich Navy #001219 ΔE 0.057
- Almost Black #070D0D ΔE 0.075
- Dark Brown #341C02 ΔE 0.082
- Space Cadet #2B2D42 ΔE 0.084
Use #101E25 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.