#274F88#274F88

#274F88 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 42.9% C 0.105 H 257.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#274F88
RGB	rgb(39, 79, 136)
HSL	hsl(215, 55%, 34%)
HSV	hsv(215, 71%, 53%)
CMYK	cmyk(71.3%, 41.9%, 0%, 46.7%)
CIE-LAB	lab(33.56, 6.17, -35.97)
CIE-LCH	lch(33.56, 36.50, 279.74°)
OKLab	oklab(42.9% -0.0226 -0.1026)
OKLCH	oklch(42.9% 0.105 257.6)
XYZ	xyz(8.0750, 7.8000, 24.3678)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F88 #886027

analogous

#278088 #274F88 #302788

triadic

#274F88 #88274F #4F8827

tetradic

#274F88 #882780 #886027 #278830

square

#274F88 #882780 #886027 #278830

split-complementary

#274F88 #883027 #808827

monochromatic

#0C1829 #193358 #274F88 #356BB8 #5A8AD0

Accessibility & contrast

On white

8.20

#274F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#274F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F88

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F88	#FFFFFF	#000000	##FFFFFF
##274F88	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34548A

Deuteranopia (green-blind)

#254B87

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274f88;
/* rgb */ color: rgb(39, 79, 136);
/* oklch */ color: oklch(42.9% 0.105 257.6);

Tailwind

colors: {
  custom: {
    50: '#6d7fab',
    500: '#274f88',
    950: '#000000',
  },
}

SCSS

$custom: #274f88;
$custom-light: #6d7fab;
$custom-dark: #000000;

JSON

{
  "hex": "#274f88",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 136
  },
  "hsl": {
    "h": 215.258,
    "s": 55.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42895,
    "c": 0.10508,
    "h": 257.6
  },
  "luminance": 0.07801
}

Semantic roles & 50–950 ramp

primary

#274F88

secondary

#B58E56

accent

#A149DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #274F88

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

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