#251742
Closest named color: Dark Indigo (#1F0954). oklch(24.9% 0.078 295.1), rgb(37, 23, 66).
Aa
White text reads best on this color (16.40:1).
About this color
#251742 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.078 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.047 away. White text reads best on it, at 16.40:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.27:1 |
| White text | 16.40:1 |
Values
| HEX | #251742 |
| RGB | rgb(37, 23, 66) |
| HSL | hsl(260, 48%, 17%) |
| OKLCH | oklch(24.9% 0.078 295.1) |
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 #251742 | 16.40:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #251742 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #251742 text on white | 16.40:1 | AAA | Lc 103.2 | Preferred for body text |
| #251742 text on black | 1.27:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F8
oklch(88.5% 0.051 295.2)
-
Step 300
300
#C5B5F7
oklch(80.9% 0.093 295.4)
-
Step 400
400
#A88CF2
oklch(70.7% 0.147 295)
-
Step 500
500
#946BED
oklch(63.1% 0.188 295)
-
Step 600
600
#804EDC
oklch(55.6% 0.206 295)
-
Step 700
700
#6D3DBF
oklch(49.1% 0.192 295.3)
-
Step 800
800
#58349A
oklch(42.7% 0.158 295.1)
-
Step 900
900
#482F7B
oklch(37.7% 0.124 294.9)
-
Step 950
950 (this color)
#251742
oklch(24.9% 0.078 295.1)
#251742 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) | #022043 | 0.053 |
| Deuteranopia (no green cones) | #061F41 | 0.050 |
| Tritanopia (no blue cones) | #1E2029 | 0.062 |
| Achromatopsia (no color) | #1F1F1F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251742
#251742
oklch(24.9% 0.078 295.1)
- #212400
#212400
oklch(24.9% 0.056 114.4)
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 #251742, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.047
- Dark Purple #35063E ΔE 0.048
- Oxford Blue #1B263B ΔE 0.052
- Midnight Purple #280137 ΔE 0.054
- Eggplant #380835 ΔE 0.056
- Deep Purple #36013F ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.057
- Dark #1B2431 ΔE 0.059
Use #251742 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.