#274F81#274F81

#274F81 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.095 H 255.1°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#274F81
RGB	rgb(39, 79, 129)
HSL	hsl(213, 54%, 33%)
HSV	hsv(213, 70%, 51%)
CMYK	cmyk(69.8%, 38.8%, 0%, 49.4%)
CIE-LAB	lab(33.15, 3.49, -32.32)
CIE-LCH	lch(33.15, 32.50, 276.16°)
OKLab	oklab(42.44% -0.0244 -0.0919)
OKLCH	oklch(42.44% 0.095 255.1)
XYZ	xyz(7.5937, 7.6075, 21.8328)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F81 #815927

analogous

#277C81 #274F81 #2C2781

triadic

#274F81 #81274F #4F8127

tetradic

#274F81 #81277C #815927 #27812C

square

#274F81 #81277C #815927 #27812C

split-complementary

#274F81 #812C27 #7C8127

monochromatic

#0B1523 #193252 #274F81 #356CB0 #568BCC

Accessibility & contrast

On white

8.33

#274F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#274F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F81

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F81	#FFFFFF	#000000	##FFFFFF
##274F81	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395383

Deuteranopia (green-blind)

#2C4A80

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #274f81;
/* rgb */ color: rgb(39, 79, 129);
/* oklch */ color: oklch(42.4% 0.095 255.1);

Tailwind

colors: {
  custom: {
    50: '#6c80a6',
    500: '#274f81',
    950: '#000000',
  },
}

SCSS

$custom: #274f81;
$custom-light: #6c80a6;
$custom-dark: #000000;

JSON

{
  "hex": "#274f81",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 129
  },
  "hsl": {
    "h": 213.333,
    "s": 53.571,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42441,
    "c": 0.09507,
    "h": 255.1
  },
  "luminance": 0.07608
}

Semantic roles & 50–950 ramp

primary

#274F81

secondary

#B18753

accent

#9C4BDD

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #274F81

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

Preview Lab → · Contrast checker → · Palette generator →