#1E1F42
Closest named color: Oxford Blue (#1B263B). oklch(25.9% 0.065 279.6), rgb(30, 31, 66).
Aa
White text reads best on this color (15.79:1).
About this color
#1E1F42 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.065 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.029 away. White text reads best on it, at 15.79:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.79:1 |
Values
| HEX | #1E1F42 |
| RGB | rgb(30, 31, 66) |
| HSL | hsl(238, 38%, 19%) |
| OKLCH | oklch(25.9% 0.065 279.6) |
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 #1E1F42 | 15.79:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #1E1F42 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #1E1F42 text on white | 15.79:1 | AAA | Lc 102.6 | Preferred for body text |
| #1E1F42 text on black | 1.32:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F6
oklch(88.6% 0.043 279.7)
-
Step 300
300
#B6BCF2
oklch(80.9% 0.076 279.6)
-
Step 400
400
#9197EB
oklch(70.6% 0.122 279.6)
-
Step 500
500
#787BE5
oklch(63% 0.157 279.7)
-
Step 600
600
#6362D3
oklch(55.7% 0.169 279.8)
-
Step 700
700
#5250B7
oklch(49.1% 0.158 279.7)
-
Step 800
800
#434294
oklch(42.6% 0.131 279.8)
-
Step 900
900
#383976
oklch(37.7% 0.102 279.6)
-
Step 950
950 (this color)
#1E1F42
oklch(25.9% 0.065 279.6)
#1E1F42 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) | #102443 | 0.023 |
| Deuteranopia (no green cones) | #0D2141 | 0.024 |
| Tritanopia (no blue cones) | #11262D | 0.055 |
| Achromatopsia (no color) | #232323 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E1F42
#1E1F42
oklch(25.9% 0.065 279.6)
- #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 #1E1F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.029
- Dark #1B2431 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.056
- Jet #212529 ΔE 0.057
- Dark Indigo #1F0954 ΔE 0.061
- Navy Blue #001146 ΔE 0.066
- Marine #042E60 ΔE 0.068
Use #1E1F42 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.