#031335
Closest named color: Navy Blue (#001146). oklch(19.8% 0.071 261.3), rgb(3, 19, 53).
Aa
White text reads best on this color (18.28:1).
About this color
#031335 is a very dark, moderately saturated blue. In OKLCH its lightness is 20%, its chroma 0.071 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.033 away. White text reads best on it, at 18.28:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.14:1 |
| White text | 18.28:1 |
Values
| HEX | #031335 |
| RGB | rgb(3, 19, 53) |
| HSL | hsl(221, 89%, 11%) |
| OKLCH | oklch(19.8% 0.071 261.3) |
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 #031335 | 18.28:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #031335 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #031335 text on white | 18.28:1 | AAA | Lc 104.7 | Preferred for body text |
| #031335 text on black | 1.14:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F8
oklch(81% 0.084 260.7)
-
Step 400
400
#70A0F4
oklch(70.8% 0.134 261)
-
Step 500
500
#4A85F0
oklch(63.1% 0.172 261.2)
-
Step 600
600
#2D6CDF
oklch(55.7% 0.187 261.2)
-
Step 700
700
#2059C1
oklch(49.1% 0.174 261.2)
-
Step 800
800
#1D499C
oklch(42.6% 0.144 261.6)
-
Step 900
900
#1D3E7C
oklch(37.6% 0.112 261.6)
-
Step 950
950 (this color)
#031335
oklch(19.8% 0.071 261.3)
#031335 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) | #001736 | 0.013 |
| Deuteranopia (no green cones) | #001334 | 0.005 |
| Tritanopia (no blue cones) | #001B21 | 0.054 |
| Achromatopsia (no color) | #151515 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031335
#031335
oklch(19.8% 0.071 261.3)
- #1F1300
#1F1300
oklch(19.8% 0.041 80.2)
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 #031335, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.033
- Rich Black #0D1B2A ΔE 0.042
- Dark Navy #000435 ΔE 0.046
- Night Blue #040348 ΔE 0.050
- Very Dark Blue #000133 ΔE 0.057
- Rich Navy #001219 ΔE 0.058
- Dark Navy Blue #00022E ΔE 0.058
- Midnight #03012D ΔE 0.060
Use #031335 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.