#274B90#274B90

#274B90 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.5% C 0.122 H 261.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#274B90
RGB	rgb(39, 75, 144)
HSL	hsl(219, 57%, 36%)
HSV	hsv(219, 73%, 56%)
CMYK	cmyk(72.9%, 47.9%, 0%, 43.5%)
CIE-LAB	lab(32.87, 11.95, -41.99)
CIE-LCH	lch(32.87, 43.65, 285.88°)
OKLab	oklab(42.52% -0.0171 -0.1203)
OKLCH	oklch(42.52% 0.122 261.9)
XYZ	xyz(8.3850, 7.4762, 27.3813)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B90 #906C27

analogous

#277F90 #274B90 #382790

triadic

#274B90 #90274B #4B9027

tetradic

#274B90 #90277F #906C27 #279038

square

#274B90 #90277F #906C27 #279038

split-complementary

#274B90 #903827 #7F9027

monochromatic

#0D1930 #1A3260 #274B90 #3464C0 #5E86D3

Accessibility & contrast

On white

8.42

#274B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#274B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B90

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B90	#FFFFFF	#000000	##FFFFFF
##274B90	1.00	8.42	2.50	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275293

Deuteranopia (green-blind)

#0E498F

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #274b90;
/* rgb */ color: rgb(39, 75, 144);
/* oklch */ color: oklch(42.5% 0.122 261.9);

Tailwind

colors: {
  custom: {
    50: '#6f7cb1',
    500: '#274b90',
    950: '#000000',
  },
}

SCSS

$custom: #274b90;
$custom-light: #6f7cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#274b90",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 144
  },
  "hsl": {
    "h": 219.429,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42521,
    "c": 0.12156,
    "h": 261.9
  },
  "luminance": 0.07477
}

Semantic roles & 50–950 ramp

primary

#274B90

secondary

#B9985A

accent

#AC47E1

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080911

muted

#7B7B80

Preview Lab

Preview with #274B90

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

Preview Lab → · Contrast checker → · Palette generator →