#030A23
Closest named color: Midnight (#03012D). oklch(15.6% 0.054 265), rgb(3, 10, 35).
Aa
White text reads best on this color (19.59:1).
About this color
#030A23 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.054 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.037 away. White text reads best on it, at 19.59:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.07:1 |
| White text | 19.59:1 |
Values
| HEX | #030A23 |
| RGB | rgb(3, 10, 35) |
| HSL | hsl(227, 84%, 7%) |
| OKLCH | oklch(15.6% 0.054 265) |
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 #030A23 | 19.59:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #030A23 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #030A23 text on white | 19.59:1 | AAA | Lc 105.6 | Preferred for body text |
| #030A23 text on black | 1.07:1 | 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ACC1EB
oklch(80.9% 0.064 264.1)
-
Step 400
400
#819FE1
oklch(70.6% 0.103 265.1)
-
Step 500
500
#6286D9
oklch(63.1% 0.132 265.1)
-
Step 600
600
#496EC6
oklch(55.5% 0.143 265)
-
Step 700
700
#3B5CAB
oklch(49.2% 0.132 264.9)
-
Step 800
800
#314B8B
oklch(42.7% 0.111 265.4)
-
Step 900
900
#2B3F6F
oklch(37.6% 0.086 265.4)
-
Step 950
950 (this color)
#030A23
oklch(15.6% 0.054 265)
#030A23 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) | #000D24 | 0.011 |
| Deuteranopia (no green cones) | #000A23 | 0.008 |
| Tritanopia (no blue cones) | #001014 | 0.043 |
| Achromatopsia (no color) | #0C0C0C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #030A23
#030A23
oklch(15.6% 0.054 265)
- #120B00
#120B00
oklch(15.5% 0.032 86.6)
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 #030A23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.037
- Dark Navy Blue #00022E ΔE 0.038
- Rich Navy #001219 ΔE 0.040
- Dark Navy #000435 ΔE 0.042
- Very Dark Blue #000133 ΔE 0.045
- Almost Black #070D0D ΔE 0.052
- Rich Black #0D1B2A ΔE 0.066
- Navy Blue #001146 ΔE 0.073
Use #030A23 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.