#1E1C40
Closest named color: Oxford Blue (#1B263B). oklch(25% 0.066 283), rgb(30, 28, 64).
Aa
White text reads best on this color (16.21:1).
About this color
#1E1C40 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.066 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 16.21:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.29:1 |
| White text | 16.21:1 |
Values
| HEX | #1E1C40 |
| RGB | rgb(30, 28, 64) |
| HSL | hsl(243, 39%, 18%) |
| OKLCH | oklch(25% 0.066 283) |
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 #1E1C40 | 16.21:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #1E1C40 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #1E1C40 text on white | 16.21:1 | AAA | Lc 103.1 | Preferred for body text |
| #1E1C40 text on black | 1.29:1 | 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
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F6
oklch(88.5% 0.044 282.6)
-
Step 300
300
#B9BBF2
oklch(81% 0.077 282.9)
-
Step 400
400
#9695EC
oklch(70.6% 0.126 283.2)
-
Step 500
500
#7E79E6
oklch(63.2% 0.16 282.9)
-
Step 600
600
#695FD4
oklch(55.6% 0.174 283)
-
Step 700
700
#584DB8
oklch(49.1% 0.163 283.3)
-
Step 800
800
#474095
oklch(42.7% 0.135 282.8)
-
Step 900
900
#3B3777
oklch(37.6% 0.106 282.9)
-
Step 950
950 (this color)
#1E1C40
oklch(25% 0.066 283)
#1E1C40 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) | #0C2241 | 0.029 |
| Deuteranopia (no green cones) | #0A1F3F | 0.029 |
| Tritanopia (no blue cones) | #12242B | 0.057 |
| Achromatopsia (no color) | #202020 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E1C40
#1E1C40
oklch(25% 0.066 283)
- #262200
#262200
oklch(24.9% 0.052 103)
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 #1E1C40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Dark #1B2431 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.057
- Jet #212529 ΔE 0.060
- Navy Blue #001146 ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.062
- Dark Purple #35063E ΔE 0.066
Use #1E1C40 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.