#274F89#274F89

#274F89 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.107 H 257.9°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#274F89
RGB	rgb(39, 79, 137)
HSL	hsl(216, 56%, 35%)
HSV	hsv(216, 72%, 54%)
CMYK	cmyk(71.5%, 42.3%, 0%, 46.3%)
CIE-LAB	lab(33.62, 6.56, -36.49)
CIE-LCH	lch(33.62, 37.08, 280.19°)
OKLab	oklab(42.96% -0.0224 -0.1041)
OKLCH	oklch(42.96% 0.107 257.9)
XYZ	xyz(8.1464, 7.8286, 24.7438)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F89 #896127

analogous

#278089 #274F89 #302789

triadic

#274F89 #89274F #4F8927

tetradic

#274F89 #892780 #896127 #278930

square

#274F89 #892780 #896127 #278930

split-complementary

#274F89 #893027 #808927

monochromatic

#0C182A #193459 #274F89 #356AB9 #5A8AD0

Accessibility & contrast

On white

8.18

#274F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#274F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F89

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F89	#FFFFFF	#000000	##FFFFFF
##274F89	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34548B

Deuteranopia (green-blind)

#244B88

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274f89;
/* rgb */ color: rgb(39, 79, 137);
/* oklch */ color: oklch(43.0% 0.107 257.9);

Tailwind

colors: {
  custom: {
    50: '#6e7fac',
    500: '#274f89',
    950: '#000000',
  },
}

SCSS

$custom: #274f89;
$custom-light: #6e7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#274f89",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 137
  },
  "hsl": {
    "h": 215.51,
    "s": 55.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42961,
    "c": 0.10651,
    "h": 257.9
  },
  "luminance": 0.07829
}

Semantic roles & 50–950 ramp

primary

#274F89

secondary

#B58F57

accent

#A249DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #274F89

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

Preview Lab → · Contrast checker → · Palette generator →