#31467D
Closest named color: Cobalt (#1E488F). oklch(40.6% 0.096 266.4), rgb(49, 70, 125).
Aa
White text reads best on this color (9.11:1).
About this color
#31467D is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.096 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.034 away. White text reads best on it, at 9.11:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #31467D |
| RGB | rgb(49, 70, 125) |
| HSL | hsl(223, 44%, 34%) |
| OKLCH | oklch(40.6% 0.096 266.4) |
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 #31467D | 9.11:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #31467D | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #31467D text on white | 9.11:1 | AAA | Lc 90.8 | Preferred for body text |
| #31467D text on black | 2.30:1 | Fails | Lc -11.5 | 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 800.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B0C0E6
oklch(80.8% 0.057 267.2)
-
Step 400
400
#879FD9
oklch(70.6% 0.09 266.8)
-
Step 500
500
#6987CF
oklch(63.2% 0.114 266)
-
Step 600
600
#516FBC
oklch(55.5% 0.125 266.4)
-
Step 700
700
#425DA2
oklch(49.2% 0.115 266.2)
-
Step 800
800 (this color)
#31467D
oklch(40.6% 0.096 266.4)
-
Step 900
900
#2F4069
oklch(37.8% 0.074 265.9)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#31467D 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) | #2E4C7F | 0.017 |
| Deuteranopia (no green cones) | #24457C | 0.016 |
| Tritanopia (no blue cones) | #00525B | 0.085 |
| Achromatopsia (no color) | #484848 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31467D
#31467D
oklch(40.6% 0.096 266.4)
- #5D4500
#5D4500
oklch(40.5% 0.083 85.9)
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 #31467D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.034
- Light Navy #155084 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.037
- Dusk Blue #26538D ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.054
- Twilight #4E518B ΔE 0.058
Use #31467D 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.