#273E6F#273E6F

#273E6F is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.089 H 263.7°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#273E6F
RGB	rgb(39, 62, 111)
HSL	hsl(221, 48%, 29%)
HSV	hsv(221, 65%, 44%)
CMYK	cmyk(64.9%, 44.1%, 0%, 56.5%)
CIE-LAB	lab(26.80, 8.05, -31.12)
CIE-LCH	lch(26.80, 32.15, 284.50°)
OKLab	oklab(37.17% -0.0098 -0.0886)
OKLCH	oklch(37.17% 0.089 263.7)
XYZ	xyz(5.4276, 5.0238, 15.7195)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E6F #6F5827

analogous

#27626F #273E6F #34276F

triadic

#273E6F #6F273E #3E6F27

tetradic

#273E6F #6F2762 #6F5827 #276F34

square

#273E6F #6F2762 #6F5827 #276F34

split-complementary

#273E6F #6F3427 #626F27

monochromatic

#080D17 #172542 #273E6F #37579C #4F74C1

Accessibility & contrast

On white

10.47

#273E6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#273E6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E6F

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E6F	#FFFFFF	#000000	##FFFFFF
##273E6F	1.00	10.47	2.00	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284371

Deuteranopia (green-blind)

#1E3C6E

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273e6f;
/* rgb */ color: rgb(39, 62, 111);
/* oklch */ color: oklch(37.2% 0.089 263.7);

Tailwind

colors: {
  custom: {
    50: '#697298',
    500: '#273e6f',
    950: '#000000',
  },
}

SCSS

$custom: #273e6f;
$custom-light: #697298;
$custom-dark: #000000;

JSON

{
  "hex": "#273e6f",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 111
  },
  "hsl": {
    "h": 220.833,
    "s": 48,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37166,
    "c": 0.08917,
    "h": 263.7
  },
  "luminance": 0.05024
}

Semantic roles & 50–950 ramp

primary

#273E6F

secondary

#A28850

accent

#AC50D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #273E6F

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

Preview Lab → · Contrast checker → · Palette generator →