#273E91#273E91

#273E91 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.140 H 267.8°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#273E91
RGB	rgb(39, 62, 145)
HSL	hsl(227, 58%, 36%)
HSV	hsv(227, 73%, 57%)
CMYK	cmyk(73.1%, 57.2%, 0%, 43.1%)
CIE-LAB	lab(29.21, 21.18, -48.51)
CIE-LCH	lch(29.21, 52.93, 293.59°)
OKLab	oklab(39.77% -0.0054 -0.1398)
OKLCH	oklch(39.77% 0.14 267.8)
XYZ	xyz(7.6684, 5.9201, 27.5211)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E91 #917A27

analogous

#277391 #273E91 #452791

triadic

#273E91 #91273E #3E9127

tetradic

#273E91 #912773 #917A27 #279145

square

#273E91 #912773 #917A27 #279145

split-complementary

#273E91 #914527 #739127

monochromatic

#0D1531 #1A2961 #273E91 #3453C1 #5F78D4

Accessibility & contrast

On white

9.61

#273E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#273E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E91

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E91	#FFFFFF	#000000	##FFFFFF
##273E91	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #273e91;
/* rgb */ color: rgb(39, 62, 145);
/* oklch */ color: oklch(39.8% 0.140 267.8);

Tailwind

colors: {
  custom: {
    50: '#7072b2',
    500: '#273e91',
    950: '#000000',
  },
}

SCSS

$custom: #273e91;
$custom-light: #7072b2;
$custom-dark: #000000;

JSON

{
  "hex": "#273e91",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 145
  },
  "hsl": {
    "h": 226.981,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39766,
    "c": 0.13986,
    "h": 267.8
  },
  "luminance": 0.05921
}

Semantic roles & 50–950 ramp

primary

#273E91

secondary

#B9A55B

accent

#BF47E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #273E91

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

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