#03142B
Closest named color: Rich Black (#0D1B2A). oklch(19.1% 0.053 255.1), rgb(3, 20, 43).
Aa
White text reads best on this color (18.44:1).
About this color
#03142B is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.053 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.031 away. White text reads best on it, at 18.44:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.44:1 |
Values
| HEX | #03142B |
| RGB | rgb(3, 20, 43) |
| HSL | hsl(215, 87%, 9%) |
| OKLCH | oklch(19.1% 0.053 255.1) |
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 #03142B | 18.44:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #03142B | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #03142B text on white | 18.44:1 | AAA | Lc 104.9 | Preferred for body text |
| #03142B text on black | 1.13:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF0
oklch(88.5% 0.034 253.7)
-
Step 300
300
#A6C3E9
oklch(80.9% 0.063 255.3)
-
Step 400
400
#76A3DE
oklch(70.7% 0.1 255.5)
-
Step 500
500
#518BD5
oklch(63.1% 0.128 255.3)
-
Step 600
600
#3374C2
oklch(55.6% 0.138 254.8)
-
Step 700
700
#2661A8
oklch(49.2% 0.129 255.1)
-
Step 800
800
#214F88
oklch(42.7% 0.107 255.4)
-
Step 900
900
#20426D
oklch(37.6% 0.084 255.3)
-
Step 950
950 (this color)
#03142B
oklch(19.1% 0.053 255.1)
#03142B 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) | #08162C | 0.011 |
| Deuteranopia (no green cones) | #03122B | 0.007 |
| Tritanopia (no blue cones) | #00191D | 0.038 |
| Achromatopsia (no color) | #141414 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03142B
#03142B
oklch(19.1% 0.053 255.1)
- #1E1100
#1E1100
oklch(19.1% 0.04 76.2)
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 #03142B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.031
- Rich Navy #001219 ΔE 0.038
- Navy Blue #001146 ΔE 0.054
- Dark Navy #000435 ΔE 0.054
- Dark Navy Blue #00022E ΔE 0.062
- Almost Black #070D0D ΔE 0.062
- Midnight #03012D ΔE 0.063
- Very Dark Blue #000133 ΔE 0.064
Use #03142B 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.