#273E7B#273E7B

#273E7B is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.0% C 0.108 H 265.9°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#273E7B
RGB	rgb(39, 62, 123)
HSL	hsl(224, 52%, 32%)
HSV	hsv(224, 68%, 48%)
CMYK	cmyk(68.3%, 49.6%, 0%, 51.8%)
CIE-LAB	lab(27.59, 12.66, -37.46)
CIE-LCH	lch(27.59, 39.54, 288.68°)
OKLab	oklab(38.02% -0.0076 -0.1072)
OKLCH	oklch(38.02% 0.108 265.9)
XYZ	xyz(6.1332, 5.3061, 19.4360)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E7B #7B6427

analogous

#27687B #273E7B #3A277B

triadic

#273E7B #7B273E #3E7B27

tetradic

#273E7B #7B2768 #7B6427 #277B3A

square

#273E7B #7B2768 #7B6427 #277B3A

split-complementary

#273E7B #7B3A27 #687B27

monochromatic

#0A0F1E #18274D #273E7B #3655A9 #5474C9

Accessibility & contrast

On white

10.19

#273E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#273E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E7B

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E7B	#FFFFFF	#000000	##FFFFFF
##273E7B	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E457D

Deuteranopia (green-blind)

#0C3E7A

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273e7b;
/* rgb */ color: rgb(39, 62, 123);
/* oklch */ color: oklch(38.0% 0.108 265.9);

Tailwind

colors: {
  custom: {
    50: '#6b72a2',
    500: '#273e7b',
    950: '#000000',
  },
}

SCSS

$custom: #273e7b;
$custom-light: #6b72a2;
$custom-dark: #000000;

JSON

{
  "hex": "#273e7b",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 123
  },
  "hsl": {
    "h": 223.571,
    "s": 51.852,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38024,
    "c": 0.10751,
    "h": 265.9
  },
  "luminance": 0.05307
}

Semantic roles & 50–950 ramp

primary

#273E7B

secondary

#AD9451

accent

#B44CDB

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #273E7B

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

Preview Lab → · Contrast checker → · Palette generator →