#13273E
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.05 253.1), rgb(19, 39, 62).
Aa
White text reads best on this color (15.13:1).
About this color
#13273E is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.050 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.011 away. White text reads best on it, at 15.13:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.13:1 |
Values
| HEX | #13273E |
| RGB | rgb(19, 39, 62) |
| HSL | hsl(212, 53%, 16%) |
| OKLCH | oklch(26.8% 0.05 253.1) |
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 #13273E | 15.13:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #13273E | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #13273E text on white | 15.13:1 | AAA | Lc 101.9 | Preferred for body text |
| #13273E 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A6C4E7
oklch(81% 0.059 252.5)
-
Step 400
400
#75A4DB
oklch(70.7% 0.096 253)
-
Step 500
500
#508CD1
oklch(63% 0.122 253.2)
-
Step 600
600
#3275BE
oklch(55.6% 0.132 253)
-
Step 700
700
#2462A4
oklch(49.1% 0.123 252.9)
-
Step 800
800
#205085
oklch(42.7% 0.102 253.2)
-
Step 900
900
#20436B
oklch(37.8% 0.08 253.3)
-
Step 950
950 (this color)
#13273E
oklch(26.8% 0.05 253.1)
#13273E 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) | #1D283F | 0.014 |
| Deuteranopia (no green cones) | #18243E | 0.011 |
| Tritanopia (no blue cones) | #002C2F | 0.042 |
| Achromatopsia (no color) | #262626 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13273E
#13273E
oklch(26.8% 0.05 253.1)
- #352205
#352205
oklch(27% 0.051 73.9)
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 #13273E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.011
- Dark #1B2431 ΔE 0.025
- Jet #212529 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.062
- Marine #042E60 ΔE 0.062
Use #13273E 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.