#31468B
Closest named color: Cobalt (#1E488F). oklch(41.6% 0.117 268.2), rgb(49, 70, 139).
Aa
White text reads best on this color (8.82:1).
About this color
#31468B is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.020 away. White text reads best on it, at 8.82:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.37:1 |
| White text | 8.82:1 |
Values
| HEX | #31468B |
| RGB | rgb(49, 70, 139) |
| HSL | hsl(226, 48%, 37%) |
| OKLCH | oklch(41.6% 0.117 268.2) |
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 #31468B | 8.82:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #31468B | 2.37:1 | Fails | Lc 14.0 | Not readable |
| #31468B text on white | 8.82:1 | AAA | Lc 89.9 | Fine for body text |
| #31468B text on black | 2.37:1 | Fails | Lc -12.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#AEC0EE
oklch(81% 0.068 268.2)
-
Step 400
400
#839EE5
oklch(70.7% 0.109 267.7)
-
Step 500
500
#6684DE
oklch(63.2% 0.14 268.3)
-
Step 600
600
#4E6BCC
oklch(55.6% 0.153 268.5)
-
Step 700
700
#3F59B0
oklch(49.1% 0.142 268.3)
-
Step 800
800 (this color)
#31468B
oklch(41.6% 0.117 268.2)
-
Step 900
900
#2D3E72
oklch(37.7% 0.092 268.2)
-
Step 950
950
#1A2543
oklch(27.1% 0.058 267.3)
#31468B 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) | #224F8E | 0.027 |
| Deuteranopia (no green cones) | #10468A | 0.029 |
| Tritanopia (no blue cones) | #005662 | 0.099 |
| Achromatopsia (no color) | #4A4A4A | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31468B
#31468B
oklch(41.6% 0.117 268.2)
- #5F4800
#5F4800
oklch(41.5% 0.085 87.6)
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 #31468B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.020
- Dusk Blue #26538D ΔE 0.037
- Blueberry #464196 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.038
- Light Navy #155084 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.052
- Twilight #4E518B ΔE 0.054
Use #31468B 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.