#274C91#274C91

#274C91 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.8% C 0.122 H 261.5°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#274C91
RGB	rgb(39, 76, 145)
HSL	hsl(219, 58%, 36%)
HSV	hsv(219, 73%, 57%)
CMYK	cmyk(73.1%, 47.6%, 0%, 43.1%)
CIE-LAB	lab(33.23, 11.66, -42.01)
CIE-LCH	lch(33.23, 43.60, 285.52°)
OKLab	oklab(42.82% -0.0179 -0.1204)
OKLCH	oklch(42.82% 0.122 261.5)
XYZ	xyz(8.5301, 7.6436, 27.8084)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C91 #916C27

analogous

#278191 #274C91 #372791

triadic

#274C91 #91274C #4C9127

tetradic

#274C91 #912781 #916C27 #279137

square

#274C91 #912781 #916C27 #279137

split-complementary

#274C91 #913727 #819127

monochromatic

#0D1931 #1A3361 #274C91 #3465C1 #5F87D4

Accessibility & contrast

On white

8.30

#274C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#274C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C91

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C91	#FFFFFF	#000000	##FFFFFF
##274C91	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285394

Deuteranopia (green-blind)

#104A90

Tritanopia (blue-blind)

#005C67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #274c91;
/* rgb */ color: rgb(39, 76, 145);
/* oklch */ color: oklch(42.8% 0.122 261.5);

Tailwind

colors: {
  custom: {
    50: '#6f7db2',
    500: '#274c91',
    950: '#000000',
  },
}

SCSS

$custom: #274c91;
$custom-light: #6f7db2;
$custom-dark: #000000;

JSON

{
  "hex": "#274c91",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 145
  },
  "hsl": {
    "h": 219.057,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42821,
    "c": 0.12173,
    "h": 261.5
  },
  "luminance": 0.07645
}

Semantic roles & 50–950 ramp

primary

#274C91

secondary

#B9985B

accent

#AB47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #274C91

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

Preview Lab → · Contrast checker → · Palette generator →