#274D5B#274D5B

#274D5B is a dark, muted cyan. Relative luminance 0.065; OKLCH L 39.8% C 0.049 H 224.2°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#274D5B
RGB	rgb(39, 77, 91)
HSL	hsl(196, 40%, 25%)
HSV	hsv(196, 57%, 36%)
CMYK	cmyk(57.1%, 15.4%, 0%, 64.3%)
CIE-LAB	lab(30.63, -9.02, -12.38)
CIE-LCH	lch(30.63, 15.31, 233.92°)
OKLab	oklab(39.83% -0.0353 -0.0343)
OKLCH	oklch(39.83% 0.049 224.2)
XYZ	xyz(5.3782, 6.4940, 10.8655)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D5B #5B3527

analogous

#275B4F #274D5B #27335B

triadic

#274D5B #5B274D #4D5B27

tetradic

#274D5B #4F275B #5B3527 #335B27

square

#274D5B #4F275B #5B3527 #335B27

split-complementary

#274D5B #5B2733 #5B4F27

monochromatic

#091215 #152930 #274D5B #397186 #4C95B1

Accessibility & contrast

On white

9.14

#274D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#274D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D5B

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D5B	#FFFFFF	#000000	##FFFFFF
##274D5B	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5C

Deuteranopia (green-blind)

#3E465B

Tritanopia (blue-blind)

#045151

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #274d5b;
/* rgb */ color: rgb(39, 77, 91);
/* oklch */ color: oklch(39.8% 0.049 224.2);

Tailwind

colors: {
  custom: {
    50: '#667e89',
    500: '#274d5b',
    950: '#000000',
  },
}

SCSS

$custom: #274d5b;
$custom-light: #667e89;
$custom-dark: #000000;

JSON

{
  "hex": "#274d5b",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 91
  },
  "hsl": {
    "h": 196.154,
    "s": 40,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39831,
    "c": 0.04923,
    "h": 224.2
  },
  "luminance": 0.06494
}

Semantic roles & 50–950 ramp

primary

#274D5B

secondary

#8E6150

accent

#7858D0

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0B

muted

#7A7C7C

Preview Lab

Preview with #274D5B

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

Preview Lab → · Contrast checker → · Palette generator →