#040624
Closest named color: Midnight (#03012D). oklch(14.6% 0.063 271.6), rgb(4, 6, 36).
Aa
White text reads best on this color (19.87:1).
About this color
#040624 is a very dark, muted blue. In OKLCH its lightness is 15%, its chroma 0.063 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.026 away. White text reads best on it, at 19.87:1.
| Hue family | Blues |
| Lightness | very dark (15%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.05:1 |
| White text | 19.87:1 |
Values
| HEX | #040624 |
| RGB | rgb(4, 6, 36) |
| HSL | hsl(236, 80%, 8%) |
| OKLCH | oklch(14.6% 0.063 271.6) |
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 #040624 | 19.87:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #040624 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #040624 text on white | 19.87:1 | AAA | Lc 105.7 | Preferred for body text |
| #040624 text on black | 1.05:1 | 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
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#AFBEF1
oklch(80.8% 0.074 271.9)
-
Step 400
400
#869BEB
oklch(70.6% 0.12 271.8)
-
Step 500
500
#6A81E4
oklch(63.2% 0.151 271.6)
-
Step 600
600
#5368D2
oklch(55.7% 0.164 271.7)
-
Step 700
700
#4456B6
oklch(49.2% 0.152 271.7)
-
Step 800
800
#374794
oklch(42.8% 0.127 271.2)
-
Step 900
900
#2F3C76
oklch(37.7% 0.1 271.4)
-
Step 950
950 (this color)
#040624
oklch(14.6% 0.063 271.6)
#040624 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) | #000B25 | 0.018 |
| Deuteranopia (no green cones) | #000823 | 0.012 |
| Tritanopia (no blue cones) | #000D13 | 0.049 |
| Achromatopsia (no color) | #090909 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040624
#040624
oklch(14.6% 0.063 271.6)
- #0F0A00
#0F0A00
oklch(14.7% 0.03 92.5)
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 #040624, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.026
- Dark Navy Blue #00022E ΔE 0.029
- Dark Navy #000435 ΔE 0.037
- Very Dark Blue #000133 ΔE 0.037
- Rich Navy #001219 ΔE 0.053
- Almost Black #070D0D ΔE 0.061
- Night Blue #040348 ΔE 0.072
- Navy Blue #001146 ΔE 0.076
Use #040624 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.