#313149
Closest named color: Space Cadet (#2B2D42). oklch(32.4% 0.042 283.8), rgb(49, 49, 73).
Aa
White text reads best on this color (12.60:1).
About this color
#313149 is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.042 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.020 away. White text reads best on it, at 12.60:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.66:1 |
| White text | 12.60:1 |
Values
| HEX | #313149 |
| RGB | rgb(49, 49, 73) |
| HSL | hsl(240, 20%, 24%) |
| OKLCH | oklch(32.4% 0.042 283.8) |
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 #313149 | 12.60:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #313149 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #313149 text on white | 12.60:1 | AAA | Lc 98.6 | Preferred for body text |
| #313149 text on black | 1.66:1 | 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
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D7D8E5
oklch(88.5% 0.018 282.5)
-
Step 300
300
#BDBED5
oklch(80.8% 0.032 283.7)
-
Step 400
400
#9C9DC0
oklch(70.7% 0.051 283.7)
-
Step 500
500
#8485B0
oklch(63.2% 0.064 283.4)
-
Step 600
600
#6E6E9C
oklch(55.7% 0.071 283.9)
-
Step 700
700
#5C5C85
oklch(49.2% 0.065 283.7)
-
Step 800
800
#4B4B6C
oklch(42.7% 0.054 283.9)
-
Step 900
900 (this color)
#313149
oklch(32.4% 0.042 283.8)
-
Step 950
950
#252533
oklch(27.1% 0.026 284.5)
#313149 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) | #2A344A | 0.014 |
| Deuteranopia (no green cones) | #293248 | 0.013 |
| Tritanopia (no blue cones) | #2B353A | 0.036 |
| Achromatopsia (no color) | #333333 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313149
#313149
oklch(32.4% 0.042 283.8)
- #37351A
#37351A
oklch(32.4% 0.043 104.8)
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 #313149, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.020
- Gunmetal #293241 ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.037
- Onyx #343A40 ΔE 0.039
- Midnight Green #073B4C ΔE 0.051
- Oxford Blue #1B263B ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.062
Use #313149 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.