#011628
Closest named color: Rich Black (#0D1B2A). oklch(19.4% 0.047 245.4), rgb(1, 22, 40).
Aa
White text reads best on this color (18.31:1).
About this color
#011628 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.047 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.027 away. White text reads best on it, at 18.31:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.31:1 |
Values
| HEX | #011628 |
| RGB | rgb(1, 22, 40) |
| HSL | hsl(208, 95%, 8%) |
| OKLCH | oklch(19.4% 0.047 245.4) |
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 #011628 | 18.31:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #011628 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #011628 text on white | 18.31:1 | AAA | Lc 104.8 | Preferred for body text |
| #011628 text on black | 1.14:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E3
oklch(80.9% 0.055 246)
-
Step 400
400
#71A6D5
oklch(70.6% 0.089 246.2)
-
Step 500
500
#4890C9
oklch(63.2% 0.112 244.9)
-
Step 600
600
#2679B6
oklch(55.7% 0.122 245.3)
-
Step 700
700
#17659D
oklch(49% 0.115 245.8)
-
Step 800
800
#17537F
oklch(42.7% 0.094 245.3)
-
Step 900
900
#1B4566
oklch(37.8% 0.073 245.3)
-
Step 950
950 (this color)
#011628
oklch(19.4% 0.047 245.4)
#011628 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) | #0D1729 | 0.018 |
| Deuteranopia (no green cones) | #071328 | 0.013 |
| Tritanopia (no blue cones) | #001A1D | 0.031 |
| Achromatopsia (no color) | #151515 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011628
#011628
oklch(19.4% 0.047 245.4)
- #221000
#221000
oklch(19.5% 0.044 65.1)
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 #011628, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.027
- Rich Navy #001219 ΔE 0.033
- Almost Black #070D0D ΔE 0.058
- Navy Blue #001146 ΔE 0.062
- Dark Navy #000435 ΔE 0.063
- Dark #1B2431 ΔE 0.067
- Dark Navy Blue #00022E ΔE 0.070
- Midnight #03012D ΔE 0.072
Use #011628 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.