#274A9B#274A9B

#274A9B is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.1% C 0.139 H 263.9°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#274A9B
RGB	rgb(39, 74, 155)
HSL	hsl(222, 60%, 38%)
HSV	hsv(222, 75%, 61%)
CMYK	cmyk(74.8%, 52.3%, 0%, 39.2%)
CIE-LAB	lab(33.34, 16.91, -47.91)
CIE-LCH	lch(33.34, 50.81, 289.44°)
OKLab	oklab(43.13% -0.0147 -0.1378)
OKLCH	oklch(43.13% 0.139 263.9)
XYZ	xyz(9.1998, 7.6945, 32.0043)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274A9B #9B7827

analogous

#27849B #274A9B #3E279B

triadic

#274A9B #9B274A #4A9B27

tetradic

#274A9B #9B2784 #9B7827 #279B3E

square

#274A9B #9B2784 #9B7827 #279B3E

split-complementary

#274A9B #9B3E27 #849B27

monochromatic

#0E1B39 #1B336A #274A9B #3361CC #6487D8

Accessibility & contrast

On white

8.27

#274A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#274A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274A9B

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274A9B	#FFFFFF	#000000	##FFFFFF
##274A9B	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16549E

Deuteranopia (green-blind)

#004999

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #274a9b;
/* rgb */ color: rgb(39, 74, 155);
/* oklch */ color: oklch(43.1% 0.139 263.9);

Tailwind

colors: {
  custom: {
    50: '#727cb9',
    500: '#274a9b',
    950: '#000000',
  },
}

SCSS

$custom: #274a9b;
$custom-light: #727cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#274a9b",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 155
  },
  "hsl": {
    "h": 221.897,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43125,
    "c": 0.13858,
    "h": 263.9
  },
  "luminance": 0.07695
}

Semantic roles & 50–950 ramp

primary

#274A9B

secondary

#BEA260

accent

#B345E3

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #274A9B

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

Preview Lab → · Contrast checker → · Palette generator →