#1A152A
Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.041 293.6), rgb(26, 21, 42).
Aa
White text reads best on this color (17.72:1).
About this color
#1A152A is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.041 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 0.028 away. White text reads best on it, at 17.72:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.72:1 |
Values
| HEX | #1A152A |
| RGB | rgb(26, 21, 42) |
| HSL | hsl(254, 33%, 12%) |
| OKLCH | oklch(21.3% 0.041 293.6) |
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 #1A152A | 17.72:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #1A152A | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #1A152A text on white | 17.72:1 | AAA | Lc 104.5 | Preferred for body text |
| #1A152A text on black | 1.18:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C1BBDE
oklch(80.8% 0.049 293.1)
-
Step 400
400
#A298CD
oklch(70.7% 0.077 293)
-
Step 500
500
#8C7EC0
oklch(63.2% 0.098 293.1)
-
Step 600
600
#7766AC
oklch(55.6% 0.107 293.8)
-
Step 700
700
#645494
oklch(49% 0.101 293.8)
-
Step 800
800
#514578
oklch(42.6% 0.084 293.4)
-
Step 900
900
#433B61
oklch(37.8% 0.064 292.7)
-
Step 950
950 (this color)
#1A152A
oklch(21.3% 0.041 293.6)
#1A152A 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) | #0F182B | 0.021 |
| Deuteranopia (no green cones) | #0F1829 | 0.022 |
| Tritanopia (no blue cones) | #16191D | 0.034 |
| Achromatopsia (no color) | #181818 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A152A
#1A152A
oklch(21.3% 0.041 293.6)
- #191B03
#191B03
oklch(21.3% 0.042 113.7)
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 #1A152A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.028
- Dark #1B2431 ΔE 0.051
- Jet #212529 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.060
- Rich Navy #001219 ΔE 0.061
- Very Dark Purple #2A0134 ΔE 0.064
- Midnight Purple #280137 ΔE 0.064
- Navy Blue #001146 ΔE 0.070
Use #1A152A 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.