#13253A
Closest named color: Oxford Blue (#1B263B). oklch(26% 0.046 253.3), rgb(19, 37, 58).
Aa
White text reads best on this color (15.51:1).
About this color
#13253A is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.046 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.012 away. White text reads best on it, at 15.51:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.51:1 |
Values
| HEX | #13253A |
| RGB | rgb(19, 37, 58) |
| HSL | hsl(212, 51%, 15%) |
| OKLCH | oklch(26% 0.046 253.3) |
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 #13253A | 15.51:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #13253A | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #13253A text on white | 15.51:1 | AAA | Lc 102.4 | Preferred for body text |
| #13253A text on black | 1.35:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C3E4
oklch(80.8% 0.055 253.6)
-
Step 400
400
#79A4D7
oklch(70.7% 0.089 253.2)
-
Step 500
500
#568CCC
oklch(63% 0.113 253.6)
-
Step 600
600
#3A75B9
oklch(55.6% 0.123 253.6)
-
Step 700
700
#2C629F
oklch(49.1% 0.114 253.5)
-
Step 800
800
#255081
oklch(42.6% 0.095 253.5)
-
Step 900
900
#234367
oklch(37.7% 0.073 252.7)
-
Step 950
950 (this color)
#13253A
oklch(26% 0.046 253.3)
#13253A 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) | #1C263B | 0.014 |
| Deuteranopia (no green cones) | #17223A | 0.011 |
| Tritanopia (no blue cones) | #002A2C | 0.041 |
| Achromatopsia (no color) | #242424 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13253A
#13253A
oklch(26% 0.046 253.3)
- #322007
#322007
oklch(26.1% 0.047 72)
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 #13253A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.012
- Dark #1B2431 ΔE 0.019
- Jet #212529 ΔE 0.037
- Rich Black #0D1B2A ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.049
- Gunmetal #293241 ΔE 0.058
- Marine #042E60 ΔE 0.071
- Prussian Blue #1D3557 ΔE 0.071
Use #13253A 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.