#274B78#274B78

#274B78 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.9% C 0.087 H 255.0°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#274B78
RGB	rgb(39, 75, 120)
HSL	hsl(213, 51%, 31%)
HSV	hsv(213, 68%, 47%)
CMYK	cmyk(67.5%, 37.5%, 0%, 52.9%)
CIE-LAB	lab(31.39, 2.70, -29.51)
CIE-LCH	lch(31.39, 29.64, 275.23°)
OKLab	oklab(40.9% -0.0224 -0.0837)
OKLCH	oklch(40.9% 0.087 255)
XYZ	xyz(6.7417, 6.8189, 18.7265)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B78 #785427

analogous

#277378 #274B78 #2B2778

triadic

#274B78 #78274B #4B7827

tetradic

#274B78 #782773 #785427 #27782B

square

#274B78 #782773 #785427 #27782B

split-complementary

#274B78 #782B27 #737827

monochromatic

#09111C #182E4A #274B78 #3668A6 #5286C7

Accessibility & contrast

On white

8.88

#274B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#274B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B78

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B78	#FFFFFF	#000000	##FFFFFF
##274B78	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374E7A

Deuteranopia (green-blind)

#2C4677

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #274b78;
/* rgb */ color: rgb(39, 75, 120);
/* oklch */ color: oklch(40.9% 0.087 255.0);

Tailwind

colors: {
  custom: {
    50: '#6a7c9f',
    500: '#274b78',
    950: '#000000',
  },
}

SCSS

$custom: #274b78;
$custom-light: #6a7c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#274b78",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 120
  },
  "hsl": {
    "h": 213.333,
    "s": 50.943,
    "l": 31.176
  },
  "oklch": {
    "l": 0.409,
    "c": 0.0867,
    "h": 255
  },
  "luminance": 0.0682
}

Semantic roles & 50–950 ramp

primary

#274B78

secondary

#AA8251

accent

#9C4DDA

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #274B78

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

Preview Lab → · Contrast checker → · Palette generator →