#1E2A55
Closest named color: Marine (#042E60). oklch(29.9% 0.079 269.4), rgb(30, 42, 85).
Aa
White text reads best on this color (13.83:1).
About this color
#1E2A55 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.079 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.030 away. White text reads best on it, at 13.83:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.51:1 |
| White text | 13.83:1 |
Values
| HEX | #1E2A55 |
| RGB | rgb(30, 42, 85) |
| HSL | hsl(227, 48%, 23%) |
| OKLCH | oklch(29.9% 0.079 269.4) |
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 #1E2A55 | 13.83:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #1E2A55 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #1E2A55 text on white | 13.83:1 | AAA | Lc 100.3 | Preferred for body text |
| #1E2A55 text on black | 1.51:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CBD8FD
oklch(88.4% 0.053 270)
-
Step 300
300
#A8BEFE
oklch(80.8% 0.094 269.6)
-
Step 400
400
#7B9AFE
oklch(70.7% 0.151 269.3)
-
Step 500
500
#5C7DFC
oklch(63.1% 0.192 269.3)
-
Step 600
600
#4562EB
oklch(55.6% 0.209 269.3)
-
Step 700
700
#3850CC
oklch(49.1% 0.193 269.4)
-
Step 800
800
#2E42A5
oklch(42.6% 0.161 269.6)
-
Step 900
900
#283983
oklch(37.6% 0.126 269.6)
-
Step 950
950 (this color)
#1E2A55
oklch(29.9% 0.079 269.4)
#1E2A55 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) | #152F57 | 0.017 |
| Deuteranopia (no green cones) | #0D2A54 | 0.019 |
| Tritanopia (no blue cones) | #00343B | 0.070 |
| Achromatopsia (no color) | #2D2D2D | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E2A55
#1E2A55
oklch(29.9% 0.079 269.4)
- #3A2C00
#3A2C00
oklch(30.1% 0.061 89.8)
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 #1E2A55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.048
- Gunmetal #293241 ΔE 0.053
- Marine Blue #01386A ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.061
- Midnight Green #073B4C ΔE 0.062
Use #1E2A55 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.