#101126
Closest named color: Rich Black (#0D1B2A). oklch(18.9% 0.042 279.5), rgb(16, 17, 38).
Aa
White text reads best on this color (18.58:1).
About this color
#101126 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.042 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 18.58:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.58:1 |
Values
| HEX | #101126 |
| RGB | rgb(16, 17, 38) |
| HSL | hsl(237, 41%, 11%) |
| OKLCH | oklch(18.9% 0.042 279.5) |
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 #101126 | 18.58:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #101126 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #101126 text on white | 18.58:1 | AAA | Lc 105.1 | Preferred for body text |
| #101126 text on black | 1.13:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE1
oklch(80.9% 0.05 278.8)
-
Step 400
400
#969CD2
oklch(70.8% 0.079 279.3)
-
Step 500
500
#7D82C6
oklch(63% 0.102 279.8)
-
Step 600
600
#666BB3
oklch(55.6% 0.111 279.1)
-
Step 700
700
#55599A
oklch(49.1% 0.103 279.2)
-
Step 800
800
#46497D
oklch(42.8% 0.086 279.6)
-
Step 900
900
#3A3D64
oklch(37.6% 0.067 279.3)
-
Step 950
950 (this color)
#101126
oklch(18.9% 0.042 279.5)
#101126 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) | #091427 | 0.014 |
| Deuteranopia (no green cones) | #081226 | 0.013 |
| Tritanopia (no blue cones) | #091519 | 0.036 |
| Achromatopsia (no color) | #131313 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101126
#101126
oklch(18.9% 0.042 279.5)
- #181400
#181400
oklch(19% 0.04 100.1)
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 #101126, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Rich Navy #001219 ΔE 0.042
- Almost Black #070D0D ΔE 0.056
- Dark Navy #000435 ΔE 0.063
- Midnight #03012D ΔE 0.066
- Navy Blue #001146 ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.068
- Dark #1B2431 ΔE 0.071
Use #101126 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.