#071937
Closest named color: Rich Black (#0D1B2A). oklch(21.8% 0.063 259.8), rgb(7, 25, 55).
Aa
White text reads best on this color (17.45:1).
About this color
#071937 is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.063 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 17.45:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.45:1 |
Values
| HEX | #071937 |
| RGB | rgb(7, 25, 55) |
| HSL | hsl(218, 77%, 12%) |
| OKLCH | oklch(21.8% 0.063 259.8) |
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 #071937 | 17.45:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #071937 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #071937 text on white | 17.45:1 | AAA | Lc 104.1 | Preferred for body text |
| #071937 text on black | 1.20:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A4C2F2
oklch(80.9% 0.076 259.7)
-
Step 400
400
#73A1EB
oklch(70.7% 0.12 259.6)
-
Step 500
500
#4E87E5
oklch(63% 0.154 259.9)
-
Step 600
600
#326FD3
oklch(55.6% 0.167 259.9)
-
Step 700
700
#245CB7
oklch(49.1% 0.156 259.8)
-
Step 800
800
#204C94
oklch(42.8% 0.128 259.8)
-
Step 900
900
#1F4076
oklch(37.7% 0.1 259.8)
-
Step 950
950 (this color)
#071937
oklch(21.8% 0.063 259.8)
#071937 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) | #091C38 | 0.011 |
| Deuteranopia (no green cones) | #011836 | 0.009 |
| Tritanopia (no blue cones) | #002025 | 0.049 |
| Achromatopsia (no color) | #1A1A1A | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #071937
#071937
oklch(21.8% 0.063 259.8)
- #251700
#251700
oklch(21.7% 0.045 79.1)
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 #071937, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Navy Blue #001146 ΔE 0.040
- Dark #1B2431 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.055
- Night Blue #040348 ΔE 0.064
- Rich Navy #001219 ΔE 0.065
- Dark Navy #000435 ΔE 0.067
- Jet #212529 ΔE 0.070
Use #071937 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.