#274C63#274C63

#274C63 is a dark, muted cyan. Relative luminance 0.065; OKLCH L 40.0% C 0.058 H 237.8°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#274C63
RGB	rgb(39, 76, 99)
HSL	hsl(203, 43%, 27%)
HSV	hsv(203, 61%, 39%)
CMYK	cmyk(60.6%, 23.2%, 0%, 61.2%)
CIE-LAB	lab(30.64, -5.65, -17.45)
CIE-LCH	lch(30.64, 18.34, 252.07°)
OKLab	oklab(39.96% -0.0307 -0.0488)
OKLCH	oklch(39.96% 0.058 237.8)
XYZ	xyz(5.6724, 6.5006, 12.7578)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C63 #633E27

analogous

#27635C #274C63 #272E63

triadic

#274C63 #63274C #4C6327

tetradic

#274C63 #5C2763 #633E27 #2E6327

square

#274C63 #5C2763 #633E27 #2E6327

split-complementary

#274C63 #63272E #635C27

monochromatic

#091116 #162A37 #274C63 #386E8F #4C8FB8

Accessibility & contrast

On white

9.13

#274C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#274C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C63

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C63	#FFFFFF	#000000	##FFFFFF
##274C63	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414C64

Deuteranopia (green-blind)

#394563

Tritanopia (blue-blind)

#005254

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #274c63;
/* rgb */ color: rgb(39, 76, 99);
/* oklch */ color: oklch(40.0% 0.058 237.8);

Tailwind

colors: {
  custom: {
    50: '#677e8f',
    500: '#274c63',
    950: '#000000',
  },
}

SCSS

$custom: #274c63;
$custom-light: #677e8f;
$custom-dark: #000000;

JSON

{
  "hex": "#274c63",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 99
  },
  "hsl": {
    "h": 203,
    "s": 43.478,
    "l": 27.059
  },
  "oklch": {
    "l": 0.39959,
    "c": 0.05761,
    "h": 237.8
  },
  "luminance": 0.06501
}

Semantic roles & 50–950 ramp

primary

#274C63

secondary

#966B50

accent

#8555D3

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #274C63

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

Preview Lab → · Contrast checker → · Palette generator →