#051224
Closest named color: Rich Navy (#001219). oklch(18.1% 0.042 255.7), rgb(5, 18, 36).
Aa
White text reads best on this color (18.77:1).
About this color
#051224 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.042 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.026 away. White text reads best on it, at 18.77:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.77:1 |
Values
| HEX | #051224 |
| RGB | rgb(5, 18, 36) |
| HSL | hsl(215, 76%, 8%) |
| OKLCH | oklch(18.1% 0.042 255.7) |
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 #051224 | 18.77:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #051224 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #051224 text on white | 18.77:1 | AAA | Lc 105.2 | Preferred for body text |
| #051224 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAEC
oklch(88.4% 0.029 256.5)
-
Step 300
300
#ACC3E1
oklch(81% 0.049 255.1)
-
Step 400
400
#80A3D2
oklch(70.7% 0.079 255.9)
-
Step 500
500
#5F8BC6
oklch(63% 0.102 256)
-
Step 600
600
#4575B3
oklch(55.7% 0.11 255.5)
-
Step 700
700
#36629A
oklch(49.2% 0.103 255.3)
-
Step 800
800
#2D507D
oklch(42.7% 0.086 255.4)
-
Step 900
900
#294364
oklch(37.8% 0.065 255)
-
Step 950
950 (this color)
#051224
oklch(18.1% 0.042 255.7)
#051224 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) | #0A1325 | 0.010 |
| Deuteranopia (no green cones) | #061024 | 0.007 |
| Tritanopia (no blue cones) | #001619 | 0.032 |
| Achromatopsia (no color) | #121212 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051224
#051224
oklch(18.1% 0.042 255.7)
- #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 #051224, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.026
- Rich Black #0D1B2A ΔE 0.037
- Almost Black #070D0D ΔE 0.048
- Dark Navy #000435 ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.062
- Midnight #03012D ΔE 0.062
- Very Dark Blue #000133 ΔE 0.066
- Navy Blue #001146 ΔE 0.067
Use #051224 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.