#2F2739
Closest named color: Space Cadet (#2B2D42). oklch(29% 0.034 304.7), rgb(47, 39, 57).
Aa
White text reads best on this color (14.28:1).
About this color
#2F2739 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.034 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.022 away. White text reads best on it, at 14.28:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.28:1 |
Values
| HEX | #2F2739 |
| RGB | rgb(47, 39, 57) |
| HSL | hsl(267, 19%, 19%) |
| OKLCH | oklch(29% 0.034 304.7) |
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 #2F2739 | 14.28:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #2F2739 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #2F2739 text on white | 14.28:1 | AAA | Lc 101.0 | Preferred for body text |
| #2F2739 text on black | 1.47:1 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8F0
oklch(93.6% 0.011 303.1)
-
Step 200
200
#DCD6E5
oklch(88.5% 0.021 304)
-
Step 300
300
#C6BBD6
oklch(81% 0.039 304)
-
Step 400
400
#AA97C1
oklch(70.7% 0.064 305.4)
-
Step 500
500
#957DB2
oklch(63.2% 0.082 304.9)
-
Step 600
600
#7F669E
oklch(55.7% 0.089 304.2)
-
Step 700
700
#6B5487
oklch(49% 0.084 304.2)
-
Step 800
800
#58456D
oklch(42.7% 0.068 305.5)
-
Step 900
900
#483A59
oklch(37.7% 0.055 304.6)
-
Step 950
950 (this color)
#2F2739
oklch(29% 0.034 304.7)
#2F2739 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) | #242A3A | 0.021 |
| Deuteranopia (no green cones) | #252A38 | 0.020 |
| Tritanopia (no blue cones) | #2E2A2D | 0.027 |
| Achromatopsia (no color) | #2A2A2A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F2739
#2F2739
oklch(29% 0.034 304.7)
- #272E1B
#272E1B
oklch(28.8% 0.034 124.9)
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 #2F2739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.022
- Oxford Blue #1B263B ΔE 0.035
- Gunmetal #293241 ΔE 0.035
- Jet #212529 ΔE 0.041
- Dark #1B2431 ΔE 0.041
- Onyx #343A40 ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.067
Use #2F2739 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.