#030721
Closest named color: Midnight (#03012D). oklch(14.5% 0.056 268.3), rgb(3, 7, 33).
Aa
White text reads best on this color (19.88:1).
About this color
#030721 is a very dark, muted blue. In OKLCH its lightness is 14%, its chroma 0.056 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.032 away. White text reads best on it, at 19.88:1.
| Hue family | Blues |
| Lightness | very dark (14%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.05:1 |
| White text | 19.88:1 |
Values
| HEX | #030721 |
| RGB | rgb(3, 7, 33) |
| HSL | hsl(232, 83%, 7%) |
| OKLCH | oklch(14.5% 0.056 268.3) |
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 #030721 | 19.88:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #030721 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #030721 text on white | 19.88:1 | AAA | Lc 105.7 | Preferred for body text |
| #030721 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400
#849EE3
oklch(70.7% 0.106 267.9)
-
Step 500
500
#6784DB
oklch(63.1% 0.135 268.4)
-
Step 600
600
#4F6CC9
oklch(55.6% 0.148 268.3)
-
Step 700
700
#405AAE
oklch(49.2% 0.137 268.1)
-
Step 800
800
#354A8D
oklch(42.8% 0.114 268.2)
-
Step 900
900
#2E3E70
oklch(37.7% 0.088 268.6)
-
Step 950
950 (this color)
#030721
oklch(14.5% 0.056 268.3)
#030721 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) | #000B22 | 0.015 |
| Deuteranopia (no green cones) | #000820 | 0.009 |
| Tritanopia (no blue cones) | #000D12 | 0.044 |
| Achromatopsia (no color) | #090909 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #030721
#030721
oklch(14.5% 0.056 268.3)
- #0F0900
#0F0900
oklch(14.4% 0.029 88.1)
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 #030721, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.032
- Dark Navy Blue #00022E ΔE 0.034
- Dark Navy #000435 ΔE 0.043
- Very Dark Blue #000133 ΔE 0.043
- Rich Navy #001219 ΔE 0.048
- Almost Black #070D0D ΔE 0.054
- Rich Black #0D1B2A ΔE 0.077
- Night Blue #040348 ΔE 0.078
Use #030721 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.