#274E99#274E99

#274E99 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.131 H 261.9°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#274E99
RGB	rgb(39, 78, 153)
HSL	hsl(219, 59%, 38%)
HSV	hsv(219, 75%, 60%)
CMYK	cmyk(74.5%, 49%, 0%, 40%)
CIE-LAB	lab(34.35, 13.44, -45.07)
CIE-LCH	lch(34.35, 47.03, 286.60°)
OKLab	oklab(43.86% -0.0184 -0.1293)
OKLCH	oklch(43.86% 0.131 261.9)
XYZ	xyz(9.3088, 8.1790, 31.2189)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274E99 #997227

analogous

#278799 #274E99 #392799

triadic

#274E99 #99274E #4E9927

tetradic

#274E99 #992787 #997227 #279939

square

#274E99 #992787 #997227 #279939

split-complementary

#274E99 #993927 #879927

monochromatic

#0E1C37 #1B3568 #274E99 #3367CA #638BD7

Accessibility & contrast

On white

7.97

#274E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#274E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274E99

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274E99	#FFFFFF	#000000	##FFFFFF
##274E99	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24569C

Deuteranopia (green-blind)

#014C97

Tritanopia (blue-blind)

#00606C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #274e99;
/* rgb */ color: rgb(39, 78, 153);
/* oklch */ color: oklch(43.9% 0.131 261.9);

Tailwind

colors: {
  custom: {
    50: '#717fb7',
    500: '#274e99',
    950: '#000000',
  },
}

SCSS

$custom: #274e99;
$custom-light: #717fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#274e99",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 153
  },
  "hsl": {
    "h": 219.474,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.43855,
    "c": 0.13065,
    "h": 261.9
  },
  "luminance": 0.0818
}

Semantic roles & 50–950 ramp

primary

#274E99

secondary

#BD9D5F

accent

#AD45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #274E99

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

Preview Lab → · Contrast checker → · Palette generator →