#273B7B#273B7B

#273B7B is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.112 H 267.7°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#273B7B
RGB	rgb(39, 59, 123)
HSL	hsl(226, 52%, 32%)
HSV	hsv(226, 68%, 48%)
CMYK	cmyk(68.3%, 52%, 0%, 51.8%)
CIE-LAB	lab(26.70, 14.74, -38.88)
CIE-LCH	lch(26.70, 41.58, 290.76°)
OKLab	oklab(37.35% -0.0045 -0.1115)
OKLCH	oklch(37.35% 0.112 267.7)
XYZ	xyz(5.9746, 4.9888, 19.3831)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B7B #7B6727

analogous

#27657B #273B7B #3D277B

triadic

#273B7B #7B273B #3B7B27

tetradic

#273B7B #7B2765 #7B6727 #277B3D

square

#273B7B #7B2765 #7B6727 #277B3D

split-complementary

#273B7B #7B3D27 #657B27

monochromatic

#0A0E1E #18254D #273B7B #3651A9 #5470C9

Accessibility & contrast

On white

10.51

#273B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#273B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B7B

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B7B	#FFFFFF	#000000	##FFFFFF
##273B7B	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17437D

Deuteranopia (green-blind)

#003C7A

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273b7b;
/* rgb */ color: rgb(39, 59, 123);
/* oklch */ color: oklch(37.3% 0.112 267.7);

Tailwind

colors: {
  custom: {
    50: '#6b70a2',
    500: '#273b7b',
    950: '#000000',
  },
}

SCSS

$custom: #273b7b;
$custom-light: #6b70a2;
$custom-dark: #000000;

JSON

{
  "hex": "#273b7b",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 123
  },
  "hsl": {
    "h": 225.714,
    "s": 51.852,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37348,
    "c": 0.11158,
    "h": 267.7
  },
  "luminance": 0.04989
}

Semantic roles & 50–950 ramp

primary

#273B7B

secondary

#AD9751

accent

#B94CDB

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #273B7B

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

Preview Lab → · Contrast checker → · Palette generator →