#1C0A3A
Closest named color: Midnight Purple (#280137). oklch(20.7% 0.087 294.8), rgb(28, 10, 58).
Aa
White text reads best on this color (18.19:1).
About this color
#1C0A3A is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.087 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.035 away. White text reads best on it, at 18.19:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.15:1 |
| White text | 18.19:1 |
Values
| HEX | #1C0A3A |
| RGB | rgb(28, 10, 58) |
| HSL | hsl(263, 71%, 13%) |
| OKLCH | oklch(20.7% 0.087 294.8) |
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 #1C0A3A | 18.19:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #1C0A3A | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #1C0A3A text on white | 18.19:1 | AAA | Lc 104.6 | Preferred for body text |
| #1C0A3A text on black | 1.15:1 | 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
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DBD2FC
oklch(88.4% 0.058 295)
-
Step 300
300
#C5B4FC
oklch(81% 0.102 294.9)
-
Step 400
400
#A989FB
oklch(70.8% 0.164 294.8)
-
Step 500
500
#9665F8
oklch(63.1% 0.21 295)
-
Step 600
600
#8246E7
oklch(55.6% 0.228 294.9)
-
Step 700
700
#6E36C9
oklch(49.1% 0.212 294.7)
-
Step 800
800
#592EA2
oklch(42.6% 0.175 294.8)
-
Step 900
900
#492C81
oklch(37.8% 0.136 294.7)
-
Step 950
950 (this color)
#1C0A3A
oklch(20.7% 0.087 294.8)
#1C0A3A 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) | #00163B | 0.053 |
| Deuteranopia (no green cones) | #001539 | 0.052 |
| Tritanopia (no blue cones) | #141621 | 0.066 |
| Achromatopsia (no color) | #151515 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C0A3A
#1C0A3A
oklch(20.7% 0.087 294.8)
- #171A00
#171A00
oklch(20.7% 0.047 115.4)
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 #1C0A3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.035
- Very Dark Purple #2A0134 ΔE 0.040
- Dark Indigo #1F0954 ΔE 0.050
- Navy Blue #001146 ΔE 0.055
- Dark Purple #35063E ΔE 0.060
- Night Blue #040348 ΔE 0.060
- Deep Purple #36013F ΔE 0.063
- Rich Black #0D1B2A ΔE 0.066
Use #1C0A3A 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.