#274D91#274D91

#274D91 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.0% C 0.120 H 261.0°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#274D91
RGB	rgb(39, 77, 145)
HSL	hsl(218, 58%, 36%)
HSV	hsv(218, 73%, 57%)
CMYK	cmyk(73.1%, 46.9%, 0%, 43.1%)
CIE-LAB	lab(33.53, 10.99, -41.54)
CIE-LCH	lch(33.53, 42.97, 284.82°)
OKLab	oklab(43.05% -0.0188 -0.119)
OKLCH	oklch(43.05% 0.12 261)
XYZ	xyz(8.5996, 7.7825, 27.8315)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D91 #916B27

analogous

#278291 #274D91 #362791

triadic

#274D91 #91274D #4D9127

tetradic

#274D91 #912782 #916B27 #279136

square

#274D91 #912782 #916B27 #279136

split-complementary

#274D91 #913627 #829127

monochromatic

#0D1A31 #1A3361 #274D91 #3467C1 #5F89D4

Accessibility & contrast

On white

8.21

#274D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#274D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D91

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D91	#FFFFFF	#000000	##FFFFFF
##274D91	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5494

Deuteranopia (green-blind)

#144A90

Tritanopia (blue-blind)

#005D68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274d91;
/* rgb */ color: rgb(39, 77, 145);
/* oklch */ color: oklch(43.0% 0.120 261.0);

Tailwind

colors: {
  custom: {
    50: '#6f7eb2',
    500: '#274d91',
    950: '#000000',
  },
}

SCSS

$custom: #274d91;
$custom-light: #6f7eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#274d91",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 145
  },
  "hsl": {
    "h": 218.491,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.43049,
    "c": 0.12047,
    "h": 261
  },
  "luminance": 0.07783
}

Semantic roles & 50–950 ramp

primary

#274D91

secondary

#B9975B

accent

#AA47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #274D91

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

Preview Lab → · Contrast checker → · Palette generator →