#1E274D
Closest named color: Oxford Blue (#1B263B). oklch(28.6% 0.07 271.3), rgb(30, 39, 77).
Aa
White text reads best on this color (14.45:1).
About this color
#1E274D is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.070 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.034 away. White text reads best on it, at 14.45:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.45:1 |
| White text | 14.45:1 |
Values
| HEX | #1E274D |
| RGB | rgb(30, 39, 77) |
| HSL | hsl(229, 44%, 21%) |
| OKLCH | oklch(28.6% 0.07 271.3) |
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 #1E274D | 14.45:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #1E274D | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #1E274D text on white | 14.45:1 | AAA | Lc 101.1 | Preferred for body text |
| #1E274D text on black | 1.45:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300
#ADBEF7
oklch(80.9% 0.083 271.6)
-
Step 400
400
#839AF4
oklch(70.7% 0.134 271.7)
-
Step 500
500
#657EEF
oklch(63% 0.171 271.3)
-
Step 600
600
#4F65DE
oklch(55.7% 0.185 271.3)
-
Step 700
700
#4053C1
oklch(49.2% 0.173 271.2)
-
Step 800
800
#35449C
oklch(42.7% 0.144 271.6)
-
Step 900
900
#2D3B7C
oklch(37.8% 0.111 271)
-
Step 950
950 (this color)
#1E274D
oklch(28.6% 0.07 271.3)
#1E274D 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) | #162C4E | 0.017 |
| Deuteranopia (no green cones) | #10284C | 0.018 |
| Tritanopia (no blue cones) | #052F36 | 0.062 |
| Achromatopsia (no color) | #292929 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E274D
#1E274D
oklch(28.6% 0.07 271.3)
- #352900
#352900
oklch(28.6% 0.059 91.7)
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 #1E274D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.038
- Marine #042E60 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.045
- Gunmetal #293241 ΔE 0.051
- Dark #1B2431 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.066
- Jet #212529 ΔE 0.066
Use #1E274D 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.