#071833
Closest named color: Rich Black (#0D1B2A). oklch(21.2% 0.058 259.1), rgb(7, 24, 51).
Aa
White text reads best on this color (17.68:1).
About this color
#071833 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.058 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.024 away. White text reads best on it, at 17.68:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.68:1 |
Values
| HEX | #071833 |
| RGB | rgb(7, 24, 51) |
| HSL | hsl(217, 76%, 11%) |
| OKLCH | oklch(21.2% 0.058 259.1) |
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 #071833 | 17.68:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #071833 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #071833 text on white | 17.68:1 | AAA | Lc 104.3 | Preferred for body text |
| #071833 text on black | 1.18:1 | 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
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A6C2EE
oklch(80.9% 0.07 259.3)
-
Step 400
400
#76A2E5
oklch(70.8% 0.11 258.6)
-
Step 500
500
#5389DD
oklch(63.2% 0.14 258.9)
-
Step 600
600
#3771CB
oklch(55.7% 0.152 259)
-
Step 700
700
#295EB0
oklch(49.2% 0.142 259)
-
Step 800
800
#234D8E
oklch(42.7% 0.118 259)
-
Step 900
900
#224172
oklch(37.8% 0.092 259.2)
-
Step 950
950 (this color)
#071833
oklch(21.2% 0.058 259.1)
#071833 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) | #0A1B34 | 0.012 |
| Deuteranopia (no green cones) | #041732 | 0.006 |
| Tritanopia (no blue cones) | #001E22 | 0.046 |
| Achromatopsia (no color) | #181818 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #071833
#071833
oklch(21.2% 0.058 259.1)
- #231600
#231600
oklch(21.2% 0.044 80.4)
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 #071833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.024
- Navy Blue #001146 ΔE 0.044
- Dark #1B2431 ΔE 0.055
- Rich Navy #001219 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.059
- Dark Navy #000435 ΔE 0.065
- Night Blue #040348 ΔE 0.066
- Jet #212529 ΔE 0.070
Use #071833 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.