#274B63#274B63

#274B63 is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.7% C 0.058 H 239.7°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#274B63
RGB	rgb(39, 75, 99)
HSL	hsl(204, 43%, 27%)
HSV	hsv(204, 61%, 39%)
CMYK	cmyk(60.6%, 24.2%, 0%, 61.2%)
CIE-LAB	lab(30.31, -5.01, -17.96)
CIE-LCH	lch(30.31, 18.65, 254.40°)
OKLab	oklab(39.7% -0.0294 -0.0502)
OKLCH	oklch(39.7% 0.058 239.7)
XYZ	xyz(5.6041, 6.3638, 12.7350)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B63 #633F27

analogous

#27635D #274B63 #272D63

triadic

#274B63 #63274B #4B6327

tetradic

#274B63 #5D2763 #633F27 #2D6327

square

#274B63 #5D2763 #633F27 #2D6327

split-complementary

#274B63 #63272D #635D27

monochromatic

#091116 #162A37 #274B63 #386C8F #4C8DB8

Accessibility & contrast

On white

9.24

#274B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#274B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B63

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B63	#FFFFFF	#000000	##FFFFFF
##274B63	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404B64

Deuteranopia (green-blind)

#384563

Tritanopia (blue-blind)

#005153

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #274b63;
/* rgb */ color: rgb(39, 75, 99);
/* oklch */ color: oklch(39.7% 0.058 239.7);

Tailwind

colors: {
  custom: {
    50: '#677d8f',
    500: '#274b63',
    950: '#000000',
  },
}

SCSS

$custom: #274b63;
$custom-light: #677d8f;
$custom-dark: #000000;

JSON

{
  "hex": "#274b63",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 99
  },
  "hsl": {
    "h": 204,
    "s": 43.478,
    "l": 27.059
  },
  "oklch": {
    "l": 0.39698,
    "c": 0.05821,
    "h": 239.7
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#274B63

secondary

#966C50

accent

#8755D3

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #274B63

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

Preview Lab → · Contrast checker → · Palette generator →