#274B91#274B91

#274B91 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.6% C 0.123 H 262.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#274B91
RGB	rgb(39, 75, 145)
HSL	hsl(220, 58%, 36%)
HSV	hsv(220, 73%, 57%)
CMYK	cmyk(73.1%, 48.3%, 0%, 43.1%)
CIE-LAB	lab(32.93, 12.34, -42.49)
CIE-LCH	lch(32.93, 44.24, 286.19°)
OKLab	oklab(42.59% -0.0169 -0.1218)
OKLCH	oklch(42.59% 0.123 262.1)
XYZ	xyz(8.4618, 7.5069, 27.7856)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B91 #916D27

analogous

#278091 #274B91 #382791

triadic

#274B91 #91274B #4B9127

tetradic

#274B91 #912780 #916D27 #279138

square

#274B91 #912780 #916D27 #279138

split-complementary

#274B91 #913827 #809127

monochromatic

#0D1931 #1A3261 #274B91 #3464C1 #5F86D4

Accessibility & contrast

On white

8.39

#274B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#274B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B91

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B91	#FFFFFF	#000000	##FFFFFF
##274B91	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265394

Deuteranopia (green-blind)

#0B4990

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #274b91;
/* rgb */ color: rgb(39, 75, 145);
/* oklch */ color: oklch(42.6% 0.123 262.1);

Tailwind

colors: {
  custom: {
    50: '#6f7cb2',
    500: '#274b91',
    950: '#000000',
  },
}

SCSS

$custom: #274b91;
$custom-light: #6f7cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#274b91",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 145
  },
  "hsl": {
    "h": 219.623,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42594,
    "c": 0.123,
    "h": 262.1
  },
  "luminance": 0.07508
}

Semantic roles & 50–950 ramp

primary

#274B91

secondary

#B9995B

accent

#AD47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #274B91

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

Preview Lab → · Contrast checker → · Palette generator →