#1E253A
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.041 269.5), rgb(30, 37, 58).
Aa
White text reads best on this color (15.20:1).
About this color
#1E253A is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.041 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.005 away. White text reads best on it, at 15.20:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.20:1 |
Values
| HEX | #1E253A |
| RGB | rgb(30, 37, 58) |
| HSL | hsl(225, 32%, 17%) |
| OKLCH | oklch(26.8% 0.041 269.5) |
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 #1E253A | 15.20:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #1E253A | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #1E253A text on white | 15.20:1 | AAA | Lc 102.1 | Preferred for body text |
| #1E253A text on black | 1.38:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9EB
oklch(88.5% 0.026 268.8)
-
Step 300
300
#B4C0E1
oklch(80.9% 0.049 269.5)
-
Step 400
400
#8D9FD1
oklch(70.7% 0.076 269.1)
-
Step 500
500
#7286C5
oklch(63% 0.098 270)
-
Step 600
600
#5A6FB2
oklch(55.5% 0.107 269.5)
-
Step 700
700
#4A5D99
oklch(49.1% 0.099 269.2)
-
Step 800
800
#3D4C7C
oklch(42.7% 0.082 269.6)
-
Step 900
900
#344064
oklch(37.8% 0.064 269.2)
-
Step 950
950 (this color)
#1E253A
oklch(26.8% 0.041 269.5)
#1E253A 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) | #1E273B | 0.007 |
| Deuteranopia (no green cones) | #1B253A | 0.005 |
| Tritanopia (no blue cones) | #15292C | 0.037 |
| Achromatopsia (no color) | #262626 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E253A
#1E253A
oklch(26.8% 0.041 269.5)
- #2E250D
#2E250D
oklch(26.9% 0.04 88.9)
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 #1E253A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.005
- Dark #1B2431 ΔE 0.018
- Jet #212529 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.037
- Gunmetal #293241 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.066
- Marine #042E60 ΔE 0.072
Use #1E253A 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.