#151238
Closest named color: Navy Blue (#001146). oklch(21.2% 0.071 282), rgb(21, 18, 56).
Aa
White text reads best on this color (17.86:1).
About this color
#151238 is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.071 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.042 away. White text reads best on it, at 17.86:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.17:1 |
| White text | 17.86:1 |
Values
| HEX | #151238 |
| RGB | rgb(21, 18, 56) |
| HSL | hsl(245, 51%, 15%) |
| OKLCH | oklch(21.2% 0.071 282) |
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 #151238 | 17.86:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #151238 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #151238 text on white | 17.86:1 | AAA | Lc 104.5 | Preferred for body text |
| #151238 text on black | 1.17:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D3D6F8
oklch(88.5% 0.047 281.4)
-
Step 300
300
#B7BAF6
oklch(80.8% 0.085 282.1)
-
Step 400
400
#9495F2
oklch(70.8% 0.134 281.9)
-
Step 500
500
#7C77ED
oklch(63.1% 0.172 282.2)
-
Step 600
600
#675DDC
oklch(55.7% 0.187 282)
-
Step 700
700
#564BBF
oklch(49.1% 0.175 282.1)
-
Step 800
800
#463F9A
oklch(42.8% 0.143 281.9)
-
Step 900
900
#3A367B
oklch(37.7% 0.114 282.1)
-
Step 950
950 (this color)
#151238
oklch(21.2% 0.071 282)
#151238 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) | #001939 | 0.034 |
| Deuteranopia (no green cones) | #001637 | 0.032 |
| Tritanopia (no blue cones) | #061B22 | 0.062 |
| Achromatopsia (no color) | #171717 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151238
#151238
oklch(21.2% 0.071 282)
- #1D1900
#1D1900
oklch(21.2% 0.044 101.4)
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 #151238, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.045
- Midnight Purple #280137 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.057
- Night Blue #040348 ΔE 0.058
- Very Dark Purple #2A0134 ΔE 0.060
- Dark Navy #000435 ΔE 0.063
- Dark #1B2431 ΔE 0.066
Use #151238 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.