#274CAB#274CAB

#274CAB is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.8% C 0.158 H 264.6°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#274CAB
RGB	rgb(39, 76, 171)
HSL	hsl(223, 63%, 41%)
HSV	hsv(223, 77%, 67%)
CMYK	cmyk(77.2%, 55.6%, 0%, 32.9%)
CIE-LAB	lab(35.08, 21.77, -54.69)
CIE-LCH	lch(35.08, 58.86, 291.70°)
OKLab	oklab(44.82% -0.0148 -0.1577)
OKLCH	oklch(44.82% 0.158 264.6)
XYZ	xyz(10.7692, 8.5393, 39.6009)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274CAB #AB8627

analogous

#278EAB #274CAB #4427AB

triadic

#274CAB #AB274C #4CAB27

tetradic

#274CAB #AB278E #AB8627 #27AB44

square

#274CAB #AB278E #AB8627 #27AB44

split-complementary

#274CAB #AB4427 #8EAB27

monochromatic

#102047 #1C3679 #274CAB #3D67D3 #6E8EDE

Accessibility & contrast

On white

7.75

#274CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#274CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274CAB

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274CAB	#FFFFFF	#000000	##FFFFFF
##274CAB	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274cab;
/* rgb */ color: rgb(39, 76, 171);
/* oklch */ color: oklch(44.8% 0.158 264.6);

Tailwind

colors: {
  custom: {
    50: '#757dc5',
    500: '#274cab',
    950: '#000000',
  },
}

SCSS

$custom: #274cab;
$custom-light: #757dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#274cab",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 171
  },
  "hsl": {
    "h": 223.182,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44821,
    "c": 0.1584,
    "h": 264.6
  },
  "luminance": 0.0854
}

Semantic roles & 50–950 ramp

primary

#274CAB

secondary

#C5AB69

accent

#B842E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274CAB

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

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