#13273C
Closest named color: Oxford Blue (#1B263B). oklch(26.7% 0.047 251.1), rgb(19, 39, 60).
Aa
White text reads best on this color (15.18:1).
About this color
#13273C is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.047 and its hue 251°. 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 15.18:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.18:1 |
Values
| HEX | #13273C |
| RGB | rgb(19, 39, 60) |
| HSL | hsl(211, 52%, 15%) |
| OKLCH | oklch(26.7% 0.047 251.1) |
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 #13273C | 15.18:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #13273C | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #13273C text on white | 15.18:1 | AAA | Lc 102.0 | Preferred for body text |
| #13273C 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A6C4E4
oklch(80.9% 0.056 250.2)
-
Step 400
400
#76A5D7
oklch(70.8% 0.089 250.7)
-
Step 500
500
#518DCC
oklch(63% 0.114 251.1)
-
Step 600
600
#3376B9
oklch(55.5% 0.125 251.1)
-
Step 700
700
#2563A0
oklch(49.1% 0.116 251.2)
-
Step 800
800
#215181
oklch(42.7% 0.095 251.1)
-
Step 900
900
#204368
oklch(37.6% 0.076 251.6)
-
Step 950
950 (this color)
#13273C
oklch(26.7% 0.047 251.1)
#13273C 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) | #1E283D | 0.016 |
| Deuteranopia (no green cones) | #19243C | 0.012 |
| Tritanopia (no blue cones) | #002C2E | 0.040 |
| Achromatopsia (no color) | #262626 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13273C
#13273C
oklch(26.7% 0.047 251.1)
- #342108
#342108
oklch(26.6% 0.048 70.4)
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 #13273C, 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 0.022
- Jet #212529 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.051
- Gunmetal #293241 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.064
- Marine #042E60 ΔE 0.066
Use #13273C 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.