#312949
Closest named color: Space Cadet (#2B2D42). oklch(30.6% 0.057 294.3), rgb(49, 41, 73).
Aa
White text reads best on this color (13.60:1).
About this color
#312949 is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.057 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 13.60:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.60:1 |
Values
| HEX | #312949 |
| RGB | rgb(49, 41, 73) |
| HSL | hsl(255, 28%, 22%) |
| OKLCH | oklch(30.6% 0.057 294.3) |
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 #312949 | 13.60:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #312949 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #312949 text on white | 13.60:1 | AAA | Lc 100.1 | Preferred for body text |
| #312949 text on black | 1.54:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C3B9E9
oklch(81% 0.068 294.4)
-
Step 400
400
#A593DD
oklch(70.7% 0.108 294.7)
-
Step 500
500
#8F77D4
oklch(63.2% 0.138 294)
-
Step 600
600
#7A5DC1
oklch(55.5% 0.151 294.3)
-
Step 700
700
#674CA7
oklch(49% 0.141 294.3)
-
Step 800
800
#543F87
oklch(42.7% 0.116 294.4)
-
Step 900
900
#45366C
oklch(37.6% 0.09 294.4)
-
Step 950
950 (this color)
#312949
oklch(30.6% 0.057 294.3)
#312949 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) | #202E4A | 0.030 |
| Deuteranopia (no green cones) | #212D48 | 0.028 |
| Tritanopia (no blue cones) | #2C2F35 | 0.047 |
| Achromatopsia (no color) | #2E2E2E | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312949
#312949
oklch(30.6% 0.057 294.3)
- #2F320C
#2F320C
oklch(30.5% 0.057 113.6)
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 #312949, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.023
- Gunmetal #293241 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.060
- Dark #1B2431 ΔE 0.061
- Onyx #343A40 ΔE 0.063
- Marine #042E60 ΔE 0.065
Use #312949 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.