#273B7D#273B7D

#273B7D is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.115 H 267.8°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#273B7D
RGB	rgb(39, 59, 125)
HSL	hsl(226, 52%, 32%)
HSV	hsv(226, 69%, 49%)
CMYK	cmyk(68.8%, 52.8%, 0%, 51%)
CIE-LAB	lab(26.85, 15.51, -39.91)
CIE-LCH	lch(26.85, 42.82, 291.24°)
OKLab	oklab(37.5% -0.0043 -0.1145)
OKLCH	oklch(37.5% 0.115 267.8)
XYZ	xyz(6.1011, 5.0394, 20.0492)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B7D #7D6927

analogous

#27667D #273B7D #3E277D

triadic

#273B7D #7D273B #3B7D27

tetradic

#273B7D #7D2766 #7D6927 #277D3E

square

#273B7D #7D2766 #7D6927 #277D3E

split-complementary

#273B7D #7D3E27 #667D27

monochromatic

#0A0F20 #18254E #273B7D #3651AC #5570CA

Accessibility & contrast

On white

10.46

#273B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#273B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B7D

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B7D	#FFFFFF	#000000	##FFFFFF
##273B7D	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14447F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273b7d;
/* rgb */ color: rgb(39, 59, 125);
/* oklch */ color: oklch(37.5% 0.115 267.8);

Tailwind

colors: {
  custom: {
    50: '#6c70a3',
    500: '#273b7d',
    950: '#000000',
  },
}

SCSS

$custom: #273b7d;
$custom-light: #6c70a3;
$custom-dark: #000000;

JSON

{
  "hex": "#273b7d",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 125
  },
  "hsl": {
    "h": 226.047,
    "s": 52.439,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37504,
    "c": 0.11459,
    "h": 267.8
  },
  "luminance": 0.0504
}

Semantic roles & 50–950 ramp

primary

#273B7D

secondary

#AF9951

accent

#BA4CDC

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #273B7D

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

Preview Lab → · Contrast checker → · Palette generator →