#274BA1#274BA1

#274BA1 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.146 H 264.1°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#274BA1
RGB	rgb(39, 75, 161)
HSL	hsl(222, 61%, 39%)
HSV	hsv(222, 76%, 63%)
CMYK	cmyk(75.8%, 53.4%, 0%, 36.9%)
CIE-LAB	lab(34.06, 18.56, -50.37)
CIE-LCH	lch(34.06, 53.68, 290.23°)
OKLab	oklab(43.81% -0.0149 -0.145)
OKLCH	oklch(43.81% 0.146 264.1)
XYZ	xyz(9.7835, 8.0356, 34.7467)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274BA1 #A17D27

analogous

#2788A1 #274BA1 #4027A1

triadic

#274BA1 #A1274B #4BA127

tetradic

#274BA1 #A12788 #A17D27 #27A140

square

#274BA1 #A12788 #A17D27 #27A140

split-complementary

#274BA1 #A14027 #88A127

monochromatic

#0F1D3E #1B3470 #274BA1 #3764CE #688ADA

Accessibility & contrast

On white

8.05

#274BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#274BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274BA1

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274BA1	#FFFFFF	#000000	##FFFFFF
##274BA1	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D56A4

Deuteranopia (green-blind)

#004B9F

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274ba1;
/* rgb */ color: rgb(39, 75, 161);
/* oklch */ color: oklch(43.8% 0.146 264.1);

Tailwind

colors: {
  custom: {
    50: '#737cbd',
    500: '#274ba1',
    950: '#000000',
  },
}

SCSS

$custom: #274ba1;
$custom-light: #737cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#274ba1",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 161
  },
  "hsl": {
    "h": 222.295,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43809,
    "c": 0.14577,
    "h": 264.1
  },
  "luminance": 0.08037
}

Semantic roles & 50–950 ramp

primary

#274BA1

secondary

#C0A563

accent

#B544E4

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274BA1

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

Preview Lab → · Contrast checker → · Palette generator →