#03132D
Closest named color: Rich Black (#0D1B2A). oklch(19% 0.058 257.9), rgb(3, 19, 45).
Aa
White text reads best on this color (18.50:1).
About this color
#03132D is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.058 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 18.50:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.50:1 |
Values
| HEX | #03132D |
| RGB | rgb(3, 19, 45) |
| HSL | hsl(217, 88%, 9%) |
| OKLCH | oklch(19% 0.058 257.9) |
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 #03132D | 18.50:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #03132D | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #03132D text on white | 18.50:1 | AAA | Lc 104.9 | Preferred for body text |
| #03132D 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A6C3ED
oklch(81% 0.068 257.6)
-
Step 400
400
#75A2E4
oklch(70.7% 0.109 257.8)
-
Step 500
500
#5189DC
oklch(63% 0.139 258.1)
-
Step 600
600
#3471CA
oklch(55.5% 0.152 258.1)
-
Step 700
700
#265FAF
oklch(49.2% 0.141 257.7)
-
Step 800
800
#214E8E
oklch(42.8% 0.117 257.7)
-
Step 900
900
#204171
oklch(37.7% 0.091 257.9)
-
Step 950
950 (this color)
#03132D
oklch(19% 0.058 257.9)
#03132D 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) | #05162E | 0.012 |
| Deuteranopia (no green cones) | #00122C | 0.007 |
| Tritanopia (no blue cones) | #00191D | 0.044 |
| Achromatopsia (no color) | #131313 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03132D
#03132D
oklch(19% 0.058 257.9)
- #1D1100
#1D1100
oklch(18.9% 0.039 78.4)
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 #03132D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Rich Navy #001219 ΔE 0.043
- Navy Blue #001146 ΔE 0.049
- Dark Navy #000435 ΔE 0.049
- Dark Navy Blue #00022E ΔE 0.058
- Midnight #03012D ΔE 0.059
- Very Dark Blue #000133 ΔE 0.059
- Night Blue #040348 ΔE 0.064
Use #03132D 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.