#001E2F
Closest named color: Rich Black (#0D1B2A). oklch(22.3% 0.049 237.3), rgb(0, 30, 47).
Aa
White text reads best on this color (17.11:1).
About this color
#001E2F is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.049 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.018 away. White text reads best on it, at 17.11:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.11:1 |
Values
| HEX | #001E2F |
| RGB | rgb(0, 30, 47) |
| HSL | hsl(202, 100%, 9%) |
| OKLCH | oklch(22.3% 0.049 237.3) |
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 #001E2F | 17.11:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #001E2F | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #001E2F text on white | 17.11:1 | AAA | Lc 103.8 | Preferred for body text |
| #001E2F text on black | 1.22:1 | 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
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9EC7E2
oklch(80.9% 0.058 237.3)
-
Step 400
400
#65A9D3
oklch(70.6% 0.093 237.2)
-
Step 500
500
#3293C8
oklch(63.1% 0.119 237.3)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#0A4765
oklch(37.7% 0.077 236.7)
-
Step 950
950 (this color)
#001E2F
oklch(22.3% 0.049 237.3)
#001E2F 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) | #161E30 | 0.028 |
| Deuteranopia (no green cones) | #0F1A2F | 0.021 |
| Tritanopia (no blue cones) | #002224 | 0.030 |
| Achromatopsia (no color) | #1C1C1C | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001E2F
#001E2F
oklch(22.3% 0.049 237.3)
- #2C1402
#2C1402
oklch(22.2% 0.05 56.7)
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 #001E2F, 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 0.043
- Oxford Blue #1B263B ΔE 0.051
- Jet #212529 ΔE 0.056
- Rich Navy #001219 ΔE 0.057
- Navy Blue #001146 ΔE 0.063
- Almost Black #070D0D ΔE 0.082
- Dark Navy #000435 ΔE 0.085
Use #001E2F 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.