#251747
Closest named color: Dark Indigo (#1F0954). oklch(25.3% 0.086 292.7), rgb(37, 23, 71).
Aa
White text reads best on this color (16.25:1).
About this color
#251747 is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.086 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.040 away. White text reads best on it, at 16.25:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.29:1 |
| White text | 16.25:1 |
Values
| HEX | #251747 |
| RGB | rgb(37, 23, 71) |
| HSL | hsl(258, 51%, 18%) |
| OKLCH | oklch(25.3% 0.086 292.7) |
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 #251747 | 16.25:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #251747 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #251747 text on white | 16.25:1 | AAA | Lc 103.0 | Preferred for body text |
| #251747 text on black | 1.29:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DAD3FC
oklch(88.5% 0.056 293)
-
Step 300
300
#C2B5FD
oklch(81% 0.101 292.3)
-
Step 400
400
#A58AFC
oklch(70.7% 0.163 292.6)
-
Step 500
500
#9168F9
oklch(63.1% 0.207 292.5)
-
Step 600
600
#7D49E8
oklch(55.6% 0.225 292.5)
-
Step 700
700
#6A38CA
oklch(49.1% 0.21 292.5)
-
Step 800
800
#5630A3
oklch(42.6% 0.174 292.6)
-
Step 900
900
#462D81
oklch(37.6% 0.135 292.4)
-
Step 950
950 (this color)
#251747
oklch(25.3% 0.086 292.7)
#251747 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) | #002149 | 0.054 |
| Deuteranopia (no green cones) | #001F46 | 0.054 |
| Tritanopia (no blue cones) | #1C222C | 0.069 |
| Achromatopsia (no color) | #202020 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251747
#251747
oklch(25.3% 0.086 292.7)
- #232500
#232500
oklch(25.4% 0.057 112.8)
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 #251747, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.040
- Dark Purple #35063E ΔE 0.050
- Oxford Blue #1B263B ΔE 0.056
- Deep Purple #36013F ΔE 0.057
- Midnight Purple #280137 ΔE 0.058
- Eggplant #380835 ΔE 0.060
- Very Dark Purple #2A0134 ΔE 0.061
- Dark #1B2431 ΔE 0.065
Use #251747 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.