#273A79#273A79

#273A79 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.110 H 268.1°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#273A79
RGB	rgb(39, 58, 121)
HSL	hsl(226, 51%, 31%)
HSV	hsv(226, 68%, 47%)
CMYK	cmyk(67.8%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(26.27, 14.66, -38.32)
CIE-LCH	lch(26.27, 41.03, 290.94°)
OKLab	oklab(36.97% -0.0037 -0.1099)
OKLCH	oklch(36.97% 0.11 268.1)
XYZ	xyz(5.7998, 4.8374, 18.7135)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273A79 #796627

analogous

#276379 #273A79 #3D2779

triadic

#273A79 #79273A #3A7927

tetradic

#273A79 #792763 #796627 #27793D

square

#273A79 #792763 #796627 #27793D

split-complementary

#273A79 #793D27 #637927

monochromatic

#090E1C #18244B #273A79 #3650A7 #536EC8

Accessibility & contrast

On white

10.67

#273A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#273A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273A79

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273A79	#FFFFFF	#000000	##FFFFFF
##273A79	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17427B

Deuteranopia (green-blind)

#013B78

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273a79;
/* rgb */ color: rgb(39, 58, 121);
/* oklch */ color: oklch(37.0% 0.110 268.1);

Tailwind

colors: {
  custom: {
    50: '#6b6fa0',
    500: '#273a79',
    950: '#000000',
  },
}

SCSS

$custom: #273a79;
$custom-light: #6b6fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#273a79",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 226.098,
    "s": 51.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36971,
    "c": 0.10992,
    "h": 268.1
  },
  "luminance": 0.04838
}

Semantic roles & 50–950 ramp

primary

#273A79

secondary

#AB9651

accent

#BA4DDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #273A79

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →