#273E8E#273E8E

#273E8E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.136 H 267.6°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#273E8E
RGB	rgb(39, 62, 142)
HSL	hsl(227, 57%, 35%)
HSV	hsv(227, 73%, 56%)
CMYK	cmyk(72.5%, 56.3%, 0%, 44.3%)
CIE-LAB	lab(28.98, 20.02, -47.04)
CIE-LCH	lch(28.98, 51.12, 293.06°)
OKLab	oklab(39.52% -0.0056 -0.1354)
OKLCH	oklch(39.52% 0.136 267.6)
XYZ	xyz(7.4401, 5.8288, 26.3189)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E8E #8E7727

analogous

#27718E #273E8E #43278E

triadic

#273E8E #8E273E #3E8E27

tetradic

#273E8E #8E2771 #8E7727 #278E43

square

#273E8E #8E2771 #8E7727 #278E43

split-complementary

#273E8E #8E4327 #718E27

monochromatic

#0D142E #1A295E #273E8E #3453BE #5D77D2

Accessibility & contrast

On white

9.70

#273E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#273E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E8E

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E8E	#FFFFFF	#000000	##FFFFFF
##273E8E	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004991

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #273e8e;
/* rgb */ color: rgb(39, 62, 142);
/* oklch */ color: oklch(39.5% 0.136 267.6);

Tailwind

colors: {
  custom: {
    50: '#6f72b0',
    500: '#273e8e',
    950: '#000000',
  },
}

SCSS

$custom: #273e8e;
$custom-light: #6f72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#273e8e",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 142
  },
  "hsl": {
    "h": 226.602,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39517,
    "c": 0.13556,
    "h": 267.6
  },
  "luminance": 0.0583
}

Semantic roles & 50–950 ramp

primary

#273E8E

secondary

#B8A359

accent

#BE48E0

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #273E8E

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

Preview Lab → · Contrast checker → · Palette generator →