#1E1E47
Closest named color: Oxford Blue (#1B263B). oklch(26% 0.075 279.9), rgb(30, 30, 71).
Aa
White text reads best on this color (15.76:1).
About this color
#1E1E47 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.075 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.037 away. White text reads best on it, at 15.76:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.76:1 |
Values
| HEX | #1E1E47 |
| RGB | rgb(30, 30, 71) |
| HSL | hsl(240, 41%, 20%) |
| OKLCH | oklch(26% 0.075 279.9) |
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 #1E1E47 | 15.76:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #1E1E47 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #1E1E47 text on white | 15.76:1 | AAA | Lc 102.6 | Preferred for body text |
| #1E1E47 text on black | 1.33:1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B5BBF9
oklch(80.9% 0.088 279.9)
-
Step 400
400
#9095F7
oklch(70.7% 0.142 279.9)
-
Step 500
500
#7777F3
oklch(63.1% 0.181 279.9)
-
Step 600
600
#625CE2
oklch(55.6% 0.197 279.8)
-
Step 700
700
#524BC4
oklch(49.2% 0.182 279.9)
-
Step 800
800
#433E9E
oklch(42.7% 0.151 280.2)
-
Step 900
900
#37367E
oklch(37.6% 0.119 279.7)
-
Step 950
950 (this color)
#1E1E47
oklch(26% 0.075 279.9)
#1E1E47 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) | #092448 | 0.030 |
| Deuteranopia (no green cones) | #052146 | 0.032 |
| Tritanopia (no blue cones) | #0D272F | 0.064 |
| Achromatopsia (no color) | #232323 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E1E47
#1E1E47
oklch(26% 0.075 279.9)
- #2A2400
#2A2400
oklch(25.9% 0.054 99.9)
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 #1E1E47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.037
- Dark #1B2431 ΔE 0.050
- Dark Indigo #1F0954 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.058
- Navy Blue #001146 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.063
- Marine #042E60 ΔE 0.063
- Jet #212529 ΔE 0.067
Use #1E1E47 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.