#03031C
Closest named color: Midnight (#03012D). oklch(12.4% 0.057 274.3), rgb(3, 3, 28).
Aa
White text reads best on this color (20.31:1).
About this color
#03031C is a very dark, muted blue. In OKLCH its lightness is 12%, its chroma 0.057 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.036 away. White text reads best on it, at 20.31:1.
| Hue family | Blues |
| Lightness | very dark (12%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.03:1 |
| White text | 20.31:1 |
Values
| HEX | #03031C |
| RGB | rgb(3, 3, 28) |
| HSL | hsl(240, 81%, 6%) |
| OKLCH | oklch(12.4% 0.057 274.3) |
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 #03031C | 20.31:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #03031C | 1.03:1 | Fails | Lc 0.0 | Not readable |
| #03031C text on white | 20.31:1 | AAA | Lc 105.9 | Preferred for body text |
| #03031C text on black | 1.03:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D1D8F3
oklch(88.5% 0.038 274.1)
-
Step 300
300
#B3BEED
oklch(80.9% 0.068 274.5)
-
Step 400
400
#8C9BE4
oklch(70.7% 0.108 274.4)
-
Step 500
500
#7181DC
oklch(63.2% 0.138 274.3)
-
Step 600
600
#5A68CA
oklch(55.5% 0.151 274.3)
-
Step 700
700
#4A56AE
oklch(49% 0.139 274.2)
-
Step 800
800
#3D478D
oklch(42.7% 0.115 274.4)
-
Step 900
900
#343C71
oklch(37.7% 0.091 274.8)
-
Step 950
950 (this color)
#03031C
oklch(12.4% 0.057 274.3)
#03031C 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) | #00061D | 0.016 |
| Deuteranopia (no green cones) | #00051B | 0.014 |
| Tritanopia (no blue cones) | #00080D | 0.046 |
| Achromatopsia (no color) | #060606 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03031C
#03031C
oklch(12.4% 0.057 274.3)
- #090600
#090600
oklch(12.3% 0.025 94.5)
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 #03031C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.036
- Dark Navy Blue #00022E ΔE 0.040
- Very Dark Blue #000133 ΔE 0.050
- Dark Navy #000435 ΔE 0.054
- Almost Black #070D0D ΔE 0.063
- Rich Navy #001219 ΔE 0.064
- Night Blue #040348 ΔE 0.092
- Rich Black #0D1B2A ΔE 0.098
Use #03031C 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.