#051936
Closest named color: Rich Black (#0D1B2A). oklch(21.6% 0.063 257.5), rgb(5, 25, 54).
Aa
White text reads best on this color (17.51:1).
About this color
#051936 is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.063 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.028 away. White text reads best on it, at 17.51:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.51:1 |
Values
| HEX | #051936 |
| RGB | rgb(5, 25, 54) |
| HSL | hsl(216, 83%, 12%) |
| OKLCH | oklch(21.6% 0.063 257.5) |
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 #051936 | 17.51:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #051936 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #051936 text on white | 17.51:1 | AAA | Lc 104.2 | Preferred for body text |
| #051936 text on black | 1.19:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A3C3F1
oklch(81% 0.074 257.4)
-
Step 400
400
#70A2EA
oklch(70.7% 0.119 257.5)
-
Step 500
500
#4989E3
oklch(63.1% 0.151 257.3)
-
Step 600
600
#2A71D1
oklch(55.7% 0.164 257.3)
-
Step 700
700
#1C5EB5
oklch(49.1% 0.153 257.3)
-
Step 800
800
#1A4D93
oklch(42.7% 0.127 257.5)
-
Step 900
900
#1C4175
oklch(37.8% 0.099 257.5)
-
Step 950
950 (this color)
#051936
oklch(21.6% 0.063 257.5)
#051936 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) | #0A1C37 | 0.013 |
| Deuteranopia (no green cones) | #021735 | 0.009 |
| Tritanopia (no blue cones) | #002024 | 0.049 |
| Achromatopsia (no color) | #191919 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051936
#051936
oklch(21.6% 0.063 257.5)
- #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 #051936, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.028
- Navy Blue #001146 ΔE 0.041
- Dark #1B2431 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.057
- Rich Navy #001219 ΔE 0.063
- Night Blue #040348 ΔE 0.064
- Dark Navy #000435 ΔE 0.066
- Jet #212529 ΔE 0.070
Use #051936 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.