#051225
Closest named color: Rich Navy (#001219). oklch(18.2% 0.044 256.7), rgb(5, 18, 37).
Aa
White text reads best on this color (18.75:1).
About this color
#051225 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.044 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.028 away. White text reads best on it, at 18.75:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.75:1 |
Values
| HEX | #051225 |
| RGB | rgb(5, 18, 37) |
| HSL | hsl(216, 76%, 8%) |
| OKLCH | oklch(18.2% 0.044 256.7) |
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 #051225 | 18.75:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #051225 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #051225 text on white | 18.75:1 | AAA | Lc 105.2 | Preferred for body text |
| #051225 text on black | 1.11:1 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ACC2E2
oklch(80.8% 0.051 257.7)
-
Step 400
400
#7FA3D4
oklch(70.7% 0.082 256.2)
-
Step 500
500
#5E8BC9
oklch(63.1% 0.106 256.6)
-
Step 600
600
#4474B6
oklch(55.6% 0.116 256.7)
-
Step 700
700
#36619C
oklch(49.1% 0.107 256.7)
-
Step 800
800
#2D4F7F
oklch(42.6% 0.09 257.2)
-
Step 900
900
#284266
oklch(37.6% 0.07 256.8)
-
Step 950
950 (this color)
#051225
oklch(18.2% 0.044 256.7)
#051225 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) | #091426 | 0.011 |
| Deuteranopia (no green cones) | #051025 | 0.007 |
| Tritanopia (no blue cones) | #001619 | 0.034 |
| Achromatopsia (no color) | #121212 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051225
#051225
oklch(18.2% 0.044 256.7)
- #1B0F00
#1B0F00
oklch(18.1% 0.038 76.6)
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 #051225, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.037
- Almost Black #070D0D ΔE 0.050
- Dark Navy #000435 ΔE 0.057
- Dark Navy Blue #00022E ΔE 0.061
- Midnight #03012D ΔE 0.061
- Very Dark Blue #000133 ΔE 0.065
- Navy Blue #001146 ΔE 0.065
Use #051225 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.