#071B2B
Closest named color: Rich Black (#0D1B2A). oklch(21.5% 0.041 245.2), rgb(7, 27, 43).
Aa
White text reads best on this color (17.48:1).
About this color
#071B2B is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.041 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.007 away. White text reads best on it, at 17.48:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.48:1 |
Values
| HEX | #071B2B |
| RGB | rgb(7, 27, 43) |
| HSL | hsl(207, 72%, 10%) |
| OKLCH | oklch(21.5% 0.041 245.2) |
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 #071B2B | 17.48:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #071B2B | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #071B2B text on white | 17.48:1 | AAA | Lc 104.2 | Preferred for body text |
| #071B2B 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDBEA
oklch(88.4% 0.027 246.4)
-
Step 300
300
#A7C5DF
oklch(81% 0.049 244.6)
-
Step 400
400
#77A6CE
oklch(70.7% 0.078 244.9)
-
Step 500
500
#528FC2
oklch(63% 0.1 245.5)
-
Step 600
600
#3479AE
oklch(55.7% 0.108 244.8)
-
Step 700
700
#266596
oklch(49% 0.101 245.6)
-
Step 800
800
#225379
oklch(42.7% 0.082 245)
-
Step 900
900
#214562
oklch(37.8% 0.065 245.1)
-
Step 950
950 (this color)
#071B2B
oklch(21.5% 0.041 245.2)
#071B2B 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) | #141B2C | 0.018 |
| Deuteranopia (no green cones) | #0F182B | 0.014 |
| Tritanopia (no blue cones) | #001F21 | 0.030 |
| Achromatopsia (no color) | #1A1A1A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #071B2B
#071B2B
oklch(21.5% 0.041 245.2)
- #261504
#261504
oklch(21.5% 0.04 64.8)
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 #071B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.007
- Dark #1B2431 ΔE 0.046
- Rich Navy #001219 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.056
- Jet #212529 ΔE 0.057
- Navy Blue #001146 ΔE 0.064
- Almost Black #070D0D ΔE 0.072
- Dark Navy #000435 ΔE 0.080
Use #071B2B 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.