#313348
Closest named color: Gunmetal (#293241). oklch(32.9% 0.037 279.9), rgb(49, 51, 72).
Aa
White text reads best on this color (12.36:1).
About this color
#313348 is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.037 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.019 away. White text reads best on it, at 12.36:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.69:1 |
| White text | 12.36:1 |
Values
| HEX | #313348 |
| RGB | rgb(49, 51, 72) |
| HSL | hsl(235, 19%, 24%) |
| OKLCH | oklch(32.9% 0.037 279.9) |
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 #313348 | 12.36:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #313348 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #313348 text on white | 12.36:1 | AAA | Lc 98.2 | Preferred for body text |
| #313348 text on black | 1.69:1 | 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 900.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D7D8E3
oklch(88.5% 0.015 281.9)
-
Step 300
300
#BCBFD3
oklch(80.9% 0.028 279)
-
Step 400
400
#9A9EBD
oklch(70.7% 0.045 279.4)
-
Step 500
500
#8286AC
oklch(63.1% 0.057 279.9)
-
Step 600
600
#6C7097
oklch(55.7% 0.061 279.7)
-
Step 700
700
#5A5D81
oklch(49% 0.058 280.3)
-
Step 800
800
#494C69
oklch(42.6% 0.048 279.6)
-
Step 900
900 (this color)
#313348
oklch(32.9% 0.037 279.9)
-
Step 950
950
#242532
oklch(26.9% 0.024 281.2)
#313348 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) | #2D3549 | 0.008 |
| Deuteranopia (no green cones) | #2C3447 | 0.009 |
| Tritanopia (no blue cones) | #2B373A | 0.034 |
| Achromatopsia (no color) | #343434 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313348
#313348
oklch(32.9% 0.037 279.9)
- #39361F
#39361F
oklch(32.9% 0.037 101.8)
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 #313348, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.019
- Space Cadet #2B2D42 ΔE 0.024
- Onyx #343A40 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.036
- Midnight Green #073B4C ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.055
- Charcoal #264653 ΔE 0.060
Use #313348 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.