#273F70#273F70

#273F70 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.5% C 0.089 H 263.1°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#273F70
RGB	rgb(39, 63, 112)
HSL	hsl(220, 48%, 30%)
HSV	hsv(220, 65%, 44%)
CMYK	cmyk(65.2%, 43.7%, 0%, 56.1%)
CIE-LAB	lab(27.17, 7.74, -31.17)
CIE-LCH	lch(27.17, 32.11, 283.95°)
OKLab	oklab(37.47% -0.0107 -0.0887)
OKLCH	oklch(37.47% 0.089 263.1)
XYZ	xyz(5.5378, 5.1557, 16.0294)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F70 #705827

analogous

#276470 #273F70 #342770

triadic

#273F70 #70273F #3F7027

tetradic

#273F70 #702764 #705827 #277034

square

#273F70 #702764 #705827 #277034

split-complementary

#273F70 #703427 #647027

monochromatic

#080D17 #172543 #273F70 #37599D #5075C2

Accessibility & contrast

On white

10.34

#273F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#273F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F70

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F70	#FFFFFF	#000000	##FFFFFF
##273F70	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294472

Deuteranopia (green-blind)

#1E3D6F

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273f70;
/* rgb */ color: rgb(39, 63, 112);
/* oklch */ color: oklch(37.5% 0.089 263.1);

Tailwind

colors: {
  custom: {
    50: '#697399',
    500: '#273f70',
    950: '#000000',
  },
}

SCSS

$custom: #273f70;
$custom-light: #697399;
$custom-dark: #000000;

JSON

{
  "hex": "#273f70",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 112
  },
  "hsl": {
    "h": 220.274,
    "s": 48.344,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37472,
    "c": 0.0894,
    "h": 263.1
  },
  "luminance": 0.05156
}

Semantic roles & 50–950 ramp

primary

#273F70

secondary

#A28750

accent

#AB50D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #273F70

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

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