#2A174A
Closest named color: Dark Indigo (#1F0954). oklch(26.2% 0.091 296.8), rgb(42, 23, 74).
Aa
White text reads best on this color (15.91:1).
About this color
#2A174A is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.091 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 15.91:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.31:1 |
| White text | 15.91:1 |
Values
| HEX | #2A174A |
| RGB | rgb(42, 23, 74) |
| HSL | hsl(262, 53%, 19%) |
| OKLCH | oklch(26.2% 0.091 296.8) |
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 #2A174A | 15.91:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #2A174A | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #2A174A text on white | 15.91:1 | AAA | Lc 102.6 | Preferred for body text |
| #2A174A text on black | 1.31:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DDD2FD
oklch(88.6% 0.06 296.9)
-
Step 300
300
#C7B2FE
oklch(80.8% 0.108 296.6)
-
Step 400
400
#AD86FD
oklch(70.7% 0.171 296.9)
-
Step 500
500
#9A61FB
oklch(63.1% 0.219 296.6)
-
Step 600
600
#8740EA
oklch(55.7% 0.238 296.9)
-
Step 700
700
#722FCB
oklch(49% 0.221 296.7)
-
Step 800
800
#5D2AA4
oklch(42.7% 0.183 296.9)
-
Step 900
900
#4C2982
oklch(37.8% 0.142 297.1)
-
Step 950
950 (this color)
#2A174A
oklch(26.2% 0.091 296.8)
#2A174A 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) | #00224C | 0.063 |
| Deuteranopia (no green cones) | #012149 | 0.062 |
| Tritanopia (no blue cones) | #22222E | 0.069 |
| Achromatopsia (no color) | #222222 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A174A
#2A174A
oklch(26.2% 0.091 296.8)
- #232800
#232800
oklch(26.3% 0.06 116.7)
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 #2A174A, 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 0.052
- Eggplant #380835 ΔE 0.057
- Midnight Purple #280137 ΔE 0.061
- Oxford Blue #1B263B ΔE 0.061
- Very Dark Purple #2A0134 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.064
Use #2A174A 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.