#03051C
Closest named color: Midnight (#03012D). oklch(13.2% 0.052 271.2), rgb(3, 5, 28).
Aa
White text reads best on this color (20.14:1).
About this color
#03051C is a very dark, muted blue. In OKLCH its lightness is 13%, its chroma 0.052 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.038 away. White text reads best on it, at 20.14:1.
| Hue family | Blues |
| Lightness | very dark (13%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.04:1 |
| White text | 20.14:1 |
Values
| HEX | #03051C |
| RGB | rgb(3, 5, 28) |
| HSL | hsl(235, 81%, 6%) |
| OKLCH | oklch(13.2% 0.052 271.2) |
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 #03051C | 20.14:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #03051C | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #03051C text on white | 20.14:1 | AAA | Lc 105.8 | Preferred for body text |
| #03051C text on black | 1.04:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F6
oklch(93.5% 0.018 272.3)
-
Step 200
200
#D1D8F0
oklch(88.4% 0.034 272.8)
-
Step 300
300
#B2BFE9
oklch(80.9% 0.061 271.5)
-
Step 400
400
#8A9DDE
oklch(70.7% 0.098 271.2)
-
Step 500
500
#6E84D5
oklch(63.2% 0.125 271)
-
Step 600
600
#576CC2
oklch(55.6% 0.135 271.1)
-
Step 700
700
#475AA8
oklch(49.2% 0.126 270.8)
-
Step 800
800
#3A4A88
oklch(42.8% 0.104 270.6)
-
Step 900
900
#323E6D
oklch(37.7% 0.082 271.2)
-
Step 950
950 (this color)
#03051C
oklch(13.2% 0.052 271.2)
#03051C 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) | #00081D | 0.014 |
| Deuteranopia (no green cones) | #00061C | 0.011 |
| Tritanopia (no blue cones) | #000A0F | 0.040 |
| Achromatopsia (no color) | #070707 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03051C
#03051C
oklch(13.2% 0.052 271.2)
- #0C0700
#0C0700
oklch(13.2% 0.027 88.5)
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 #03051C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.038
- Dark Navy Blue #00022E ΔE 0.041
- Very Dark Blue #000133 ΔE 0.050
- Dark Navy #000435 ΔE 0.053
- Rich Navy #001219 ΔE 0.054
- Almost Black #070D0D ΔE 0.054
- Rich Black #0D1B2A ΔE 0.088
- Night Blue #040348 ΔE 0.090
Use #03051C 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.