#071531
Closest named color: Rich Black (#0D1B2A). oklch(20.2% 0.059 262.1), rgb(7, 21, 49).
Aa
White text reads best on this color (18.09:1).
About this color
#071531 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.059 and its hue 262°. 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 18.09:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.09:1 |
Values
| HEX | #071531 |
| RGB | rgb(7, 21, 49) |
| HSL | hsl(220, 75%, 11%) |
| OKLCH | oklch(20.2% 0.059 262.1) |
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 #071531 | 18.09:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #071531 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #071531 text on white | 18.09:1 | AAA | Lc 104.7 | Preferred for body text |
| #071531 text on black | 1.16:1 | 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
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CBDAF4
oklch(88.5% 0.039 261.5)
-
Step 300
300
#A8C1EF
oklch(80.8% 0.071 262.5)
-
Step 400
400
#7AA0E7
oklch(70.7% 0.113 262.3)
-
Step 500
500
#5887DF
oklch(63.1% 0.143 261.9)
-
Step 600
600
#3E6FCD
oklch(55.7% 0.155 262)
-
Step 700
700
#305CB2
oklch(49.1% 0.145 262.1)
-
Step 800
800
#294C90
oklch(42.8% 0.12 262.1)
-
Step 900
900
#254073
oklch(37.8% 0.093 261.9)
-
Step 950
950 (this color)
#071531
oklch(20.2% 0.059 262.1)
#071531 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) | #061832 | 0.010 |
| Deuteranopia (no green cones) | #011430 | 0.011 |
| Tritanopia (no blue cones) | #001C20 | 0.048 |
| Achromatopsia (no color) | #161616 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #071531
#071531
oklch(20.2% 0.059 262.1)
- #201400
#201400
oklch(20.2% 0.042 81)
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 #071531, 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 0.044
- Rich Navy #001219 ΔE 0.052
- Dark Navy #000435 ΔE 0.056
- Night Blue #040348 ΔE 0.062
- Dark #1B2431 ΔE 0.064
- Dark Navy Blue #00022E ΔE 0.067
- Very Dark Blue #000133 ΔE 0.067
Use #071531 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.