#1C1333
Closest named color: Rich Black (#0D1B2A). oklch(21.8% 0.061 293.7), rgb(28, 19, 51).
Aa
White text reads best on this color (17.64:1).
About this color
#1C1333 is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.061 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 17.64:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.64:1 |
Values
| HEX | #1C1333 |
| RGB | rgb(28, 19, 51) |
| HSL | hsl(257, 46%, 14%) |
| OKLCH | oklch(21.8% 0.061 293.7) |
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 #1C1333 | 17.64:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #1C1333 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #1C1333 text on white | 17.64:1 | AAA | Lc 104.3 | Preferred for body text |
| #1C1333 text on black | 1.19:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#DAD5F2
oklch(88.6% 0.04 293.5)
-
Step 300
300
#C2B8EB
oklch(80.8% 0.072 293.7)
-
Step 400
400
#A492E1
oklch(70.6% 0.115 293.7)
-
Step 500
500
#8F75D9
oklch(63.1% 0.147 293.7)
-
Step 600
600
#7A5CC6
oklch(55.6% 0.159 293.6)
-
Step 700
700
#674BAB
oklch(49.1% 0.148 293.7)
-
Step 800
800
#543E8B
oklch(42.8% 0.123 293.7)
-
Step 900
900
#45356F
oklch(37.6% 0.097 294)
-
Step 950
950 (this color)
#1C1333
oklch(21.8% 0.061 293.7)
#1C1333 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) | #061934 | 0.038 |
| Deuteranopia (no green cones) | #081832 | 0.035 |
| Tritanopia (no blue cones) | #161A20 | 0.050 |
| Achromatopsia (no color) | #191919 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C1333
#1C1333
oklch(21.8% 0.061 293.7)
- #1A1C00
#1A1C00
oklch(21.7% 0.049 113.4)
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 #1C1333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.042
- Midnight Purple #280137 ΔE 0.049
- Very Dark Purple #2A0134 ΔE 0.051
- Dark #1B2431 ΔE 0.058
- Navy Blue #001146 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.061
- Dark Purple #35063E ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.065
Use #1C1333 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.