#180A26
Closest named color: Midnight Purple (#280137). oklch(18.3% 0.057 304.5), rgb(24, 10, 38).
Aa
White text reads best on this color (18.91:1).
About this color
#180A26 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.057 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.053 away. White text reads best on it, at 18.91:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.11:1 |
| White text | 18.91:1 |
Values
| HEX | #180A26 |
| RGB | rgb(24, 10, 38) |
| HSL | hsl(270, 58%, 9%) |
| OKLCH | oklch(18.3% 0.057 304.5) |
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 #180A26 | 18.91:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #180A26 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #180A26 text on white | 18.91:1 | AAA | Lc 105.2 | Preferred for body text |
| #180A26 text on black | 1.11:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DED3EE
oklch(88.4% 0.038 304)
-
Step 300
300
#CAB6E4
oklch(80.8% 0.067 304.7)
-
Step 400
400
#B08FD7
oklch(70.7% 0.108 304.8)
-
Step 500
500
#9C72CC
oklch(63.1% 0.137 304.3)
-
Step 600
600
#8759B8
oklch(55.6% 0.148 304.4)
-
Step 700
700
#73489F
oklch(49.1% 0.139 304.6)
-
Step 800
800
#5D3C81
oklch(42.7% 0.114 304.1)
-
Step 900
900
#4C3467
oklch(37.7% 0.088 304.2)
-
Step 950
950 (this color)
#180A26
oklch(18.3% 0.057 304.5)
#180A26 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) | #021027 | 0.045 |
| Deuteranopia (no green cones) | #051125 | 0.041 |
| Tritanopia (no blue cones) | #160F16 | 0.040 |
| Achromatopsia (no color) | #111111 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180A26
#180A26
oklch(18.3% 0.057 304.5)
- #0E1500
#0E1500
oklch(18.2% 0.045 123.7)
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 #180A26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.053
- Very Dark Purple #2A0134 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.057
- Rich Navy #001219 ΔE 0.062
- Midnight #03012D ΔE 0.066
- Almost Black #070D0D ΔE 0.068
- Dark Navy #000435 ΔE 0.068
- Dark Navy Blue #00022E ΔE 0.071
Use #180A26 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.