#31276B
Closest named color: Midnight Blue (#191970). oklch(32.7% 0.114 284.9), rgb(49, 39, 107).
Aa
White text reads best on this color (12.85:1).
About this color
#31276B is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.114 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.056 away. White text reads best on it, at 12.85:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.63:1 |
| White text | 12.85:1 |
Values
| HEX | #31276B |
| RGB | rgb(49, 39, 107) |
| HSL | hsl(249, 47%, 29%) |
| OKLCH | oklch(32.7% 0.114 284.9) |
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 #31276B | 12.85:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #31276B | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #31276B text on white | 12.85:1 | AAA | Lc 98.7 | Preferred for body text |
| #31276B text on black | 1.63:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D5D5F8
oklch(88.4% 0.048 285.4)
-
Step 300
300
#BAB9F6
oklch(80.8% 0.086 285.1)
-
Step 400
400
#9893F2
oklch(70.7% 0.137 284.7)
-
Step 500
500
#8175ED
oklch(63.1% 0.174 284.8)
-
Step 600
600
#6C5ADB
oklch(55.5% 0.189 284.8)
-
Step 700
700
#5B49BE
oklch(49.1% 0.176 284.9)
-
Step 800
800
#4A3D9A
oklch(42.8% 0.146 284.8)
-
Step 900
900 (this color)
#31276B
oklch(32.7% 0.114 284.9)
-
Step 950
950
#242048
oklch(27.1% 0.072 285.1)
#31276B 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) | #00346D | 0.057 |
| Deuteranopia (no green cones) | #00306A | 0.055 |
| Tritanopia (no blue cones) | #1B3745 | 0.095 |
| Achromatopsia (no color) | #323232 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31276B
#31276B
oklch(32.7% 0.114 284.9)
- #3A3600
#3A3600
oklch(32.7% 0.069 105)
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 #31276B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.056
- Marine #042E60 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.062
- Marine Blue #01386A ΔE 0.063
- Royal Purple #4B006E ΔE 0.076
- Indigo #4B0082 ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.079
- Twilight Blue #0A437A ΔE 0.082
Use #31276B 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.