#274B66#274B66

#274B66 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.9% C 0.062 H 242.8°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#274B66
RGB	rgb(39, 75, 102)
HSL	hsl(206, 45%, 28%)
HSV	hsv(206, 62%, 40%)
CMYK	cmyk(61.8%, 26.5%, 0%, 60%)
CIE-LAB	lab(30.45, -3.95, -19.65)
CIE-LCH	lch(30.45, 20.04, 258.64°)
OKLab	oklab(39.86% -0.0283 -0.0551)
OKLCH	oklch(39.86% 0.062 242.8)
XYZ	xyz(5.7502, 6.4223, 13.5044)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B66 #664227

analogous

#276661 #274B66 #272C66

triadic

#274B66 #66274B #4B6627

tetradic

#274B66 #612766 #664227 #2C6627

square

#274B66 #612766 #664227 #2C6627

split-complementary

#274B66 #66272C #666127

monochromatic

#081016 #162A3A #274B66 #386C92 #4D8CBB

Accessibility & contrast

On white

9.19

#274B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#274B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B66

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B66	#FFFFFF	#000000	##FFFFFF
##274B66	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4B67

Deuteranopia (green-blind)

#374566

Tritanopia (blue-blind)

#005254

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #274b66;
/* rgb */ color: rgb(39, 75, 102);
/* oklch */ color: oklch(39.9% 0.062 242.8);

Tailwind

colors: {
  custom: {
    50: '#677d91',
    500: '#274b66',
    950: '#000000',
  },
}

SCSS

$custom: #274b66;
$custom-light: #677d91;
$custom-dark: #000000;

JSON

{
  "hex": "#274b66",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 102
  },
  "hsl": {
    "h": 205.714,
    "s": 44.681,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39857,
    "c": 0.06192,
    "h": 242.8
  },
  "luminance": 0.06423
}

Semantic roles & 50–950 ramp

primary

#274B66

secondary

#996F50

accent

#8B53D4

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#06090D

muted

#7A7B7D

Preview Lab

Preview with #274B66

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

Preview Lab → · Contrast checker → · Palette generator →