#2B174C
Closest named color: Dark Indigo (#1F0954). oklch(26.5% 0.094 296.9), rgb(43, 23, 76).
Aa
White text reads best on this color (15.79:1).
About this color
#2B174C is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.094 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.043 away. White text reads best on it, at 15.79:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.32:1 |
| White text | 15.79:1 |
Values
| HEX | #2B174C |
| RGB | rgb(43, 23, 76) |
| HSL | hsl(263, 54%, 19%) |
| OKLCH | oklch(26.5% 0.094 296.9) |
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 #2B174C | 15.79:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #2B174C | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #2B174C text on white | 15.79:1 | AAA | Lc 102.5 | Preferred for body text |
| #2B174C text on black | 1.32:1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DDD1FE
oklch(88.5% 0.063 297.3)
-
Step 300
300
#C8B2FF
oklch(81% 0.109 297)
-
Step 400
400
#AD85FF
oklch(70.7% 0.175 296.8)
-
Step 500
500
#9B5FFE
oklch(63.1% 0.225 296.8)
-
Step 600
600
#883CEE
oklch(55.7% 0.246 296.9)
-
Step 700
700
#732BCF
oklch(49.1% 0.229 296.7)
-
Step 800
800
#5E27A7
oklch(42.7% 0.189 297.1)
-
Step 900
900
#4C2784
oklch(37.6% 0.147 297)
-
Step 950
950 (this color)
#2B174C
oklch(26.5% 0.094 296.9)
#2B174C 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) | #00234E | 0.064 |
| Deuteranopia (no green cones) | #00224B | 0.064 |
| Tritanopia (no blue cones) | #23232F | 0.072 |
| Achromatopsia (no color) | #232323 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B174C
#2B174C
oklch(26.5% 0.094 296.9)
- #232900
#232900
oklch(26.6% 0.062 117.9)
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 #2B174C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.043
- Dark Purple #35063E ΔE 0.046
- Deep Purple #36013F ΔE 0.053
- Eggplant #380835 ΔE 0.058
- Midnight Purple #280137 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.063
- Aubergine #3D0734 ΔE 0.065
Use #2B174C 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.