#274F91#274F91

#274F91 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.5% C 0.118 H 259.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#274F91
RGB	rgb(39, 79, 145)
HSL	hsl(217, 58%, 36%)
HSV	hsv(217, 73%, 57%)
CMYK	cmyk(73.1%, 45.5%, 0%, 43.1%)
CIE-LAB	lab(34.12, 9.65, -40.58)
CIE-LCH	lch(34.12, 41.72, 283.38°)
OKLab	oklab(43.51% -0.0207 -0.1161)
OKLCH	oklch(43.51% 0.118 259.9)
XYZ	xyz(8.7417, 8.0667, 27.8789)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F91 #916927

analogous

#278491 #274F91 #342791

triadic

#274F91 #91274F #4F9127

tetradic

#274F91 #912784 #916927 #279134

square

#274F91 #912784 #916927 #279134

split-complementary

#274F91 #913427 #849127

monochromatic

#0D1A31 #1A3561 #274F91 #3469C1 #5F8BD4

Accessibility & contrast

On white

8.03

#274F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#274F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F91

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F91	#FFFFFF	#000000	##FFFFFF
##274F91	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5594

Deuteranopia (green-blind)

#1A4C90

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274f91;
/* rgb */ color: rgb(39, 79, 145);
/* oklch */ color: oklch(43.5% 0.118 259.9);

Tailwind

colors: {
  custom: {
    50: '#6f7fb2',
    500: '#274f91',
    950: '#000000',
  },
}

SCSS

$custom: #274f91;
$custom-light: #6f7fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#274f91",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 145
  },
  "hsl": {
    "h": 217.358,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.43507,
    "c": 0.11799,
    "h": 259.9
  },
  "luminance": 0.08068
}

Semantic roles & 50–950 ramp

primary

#274F91

secondary

#B9955B

accent

#A747E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #274F91

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

Preview Lab → · Contrast checker → · Palette generator →