#274B9F#274B9F

#274B9F is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.7% C 0.143 H 263.9°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#274B9F
RGB	rgb(39, 75, 159)
HSL	hsl(222, 61%, 39%)
HSV	hsv(222, 75%, 62%)
CMYK	cmyk(75.5%, 52.8%, 0%, 37.6%)
CIE-LAB	lab(33.91, 17.79, -49.40)
CIE-LCH	lch(33.91, 52.50, 289.80°)
OKLab	oklab(43.65% -0.0151 -0.1422)
OKLCH	oklch(43.65% 0.143 263.9)
XYZ	xyz(9.6086, 7.9656, 33.8253)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B9F #9F7B27

analogous

#27879F #274B9F #3F279F

triadic

#274B9F #9F274B #4B9F27

tetradic

#274B9F #9F2787 #9F7B27 #279F3F

square

#274B9F #9F2787 #9F7B27 #279F3F

split-complementary

#274B9F #9F3F27 #879F27

monochromatic

#0F1D3D #1B346E #274B9F #3663CE #6789DA

Accessibility & contrast

On white

8.10

#274B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#274B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B9F

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B9F	#FFFFFF	#000000	##FFFFFF
##274B9F	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1256A2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274b9f;
/* rgb */ color: rgb(39, 75, 159);
/* oklch */ color: oklch(43.7% 0.143 263.9);

Tailwind

colors: {
  custom: {
    50: '#737cbc',
    500: '#274b9f',
    950: '#000000',
  },
}

SCSS

$custom: #274b9f;
$custom-light: #737cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#274b9f",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 159
  },
  "hsl": {
    "h": 222,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43652,
    "c": 0.14296,
    "h": 263.9
  },
  "luminance": 0.07967
}

Semantic roles & 50–950 ramp

primary

#274B9F

secondary

#C0A462

accent

#B444E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274B9F

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

Preview Lab → · Contrast checker → · Palette generator →