#051F46
Closest named color: Navy Blue (#001146). oklch(24.6% 0.08 258.5), rgb(5, 31, 70).
Aa
White text reads best on this color (16.26:1).
About this color
#051F46 is a very dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.080 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.043 away. White text reads best on it, at 16.26:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.29:1 |
| White text | 16.26:1 |
Values
| HEX | #051F46 |
| RGB | rgb(5, 31, 70) |
| HSL | hsl(216, 87%, 15%) |
| OKLCH | oklch(24.6% 0.08 258.5) |
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 #051F46 | 16.26:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #051F46 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #051F46 text on white | 16.26:1 | AAA | Lc 102.9 | Preferred for body text |
| #051F46 text on black | 1.29:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C4DBFD
oklch(88.5% 0.053 258)
-
Step 300
300
#9BC2FE
oklch(80.8% 0.095 258.8)
-
Step 400
400
#63A0FE
oklch(70.7% 0.152 258.8)
-
Step 500
500
#3485FC
oklch(63.1% 0.194 258.5)
-
Step 600
600
#006BEB
oklch(55.7% 0.21 258.5)
-
Step 700
700
#0059C7
oklch(49% 0.186 258.6)
-
Step 800
800
#0049A5
oklch(42.7% 0.162 258.5)
-
Step 900
900
#0E3E83
oklch(37.7% 0.127 258.7)
-
Step 950
950 (this color)
#051F46
oklch(24.6% 0.08 258.5)
#051F46 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) | #072347 | 0.013 |
| Deuteranopia (no green cones) | #001D45 | 0.009 |
| Tritanopia (no blue cones) | #00282F | 0.059 |
| Achromatopsia (no color) | #202020 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051F46
#051F46
oklch(24.6% 0.08 258.5)
- #2E1D00
#2E1D00
oklch(24.6% 0.051 77.8)
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 #051F46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.044
- Rich Black #0D1B2A ΔE 0.053
- Dark #1B2431 ΔE 0.053
- Dark Indigo #1F0954 ΔE 0.063
- Marine #042E60 ΔE 0.064
- Night Blue #040348 ΔE 0.070
- Jet #212529 ΔE 0.072
Use #051F46 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.