#274EA6#274EA6

#274EA6 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.149 H 263.5°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#274EA6
RGB	rgb(39, 78, 166)
HSL	hsl(222, 62%, 40%)
HSV	hsv(222, 77%, 65%)
CMYK	cmyk(76.5%, 53%, 0%, 34.9%)
CIE-LAB	lab(35.27, 18.49, -51.41)
CIE-LCH	lch(35.27, 54.63, 289.79°)
OKLab	oklab(44.84% -0.0168 -0.148)
OKLCH	oklch(44.84% 0.149 263.5)
XYZ	xyz(10.4416, 8.6321, 37.1849)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274EA6 #A67F27

analogous

#278DA6 #274EA6 #4027A6

triadic

#274EA6 #A6274E #4EA627

tetradic

#274EA6 #A6278D #A67F27 #27A640

square

#274EA6 #A6278D #A67F27 #27A640

split-complementary

#274EA6 #A64027 #8DA627

monochromatic

#101F43 #1B3774 #274EA6 #3A68D1 #6B8EDC

Accessibility & contrast

On white

7.70

#274EA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#274EA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274EA6

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274EA6	#FFFFFF	#000000	##FFFFFF
##274EA6	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1059A9

Deuteranopia (green-blind)

#004DA4

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274ea6;
/* rgb */ color: rgb(39, 78, 166);
/* oklch */ color: oklch(44.8% 0.149 263.5);

Tailwind

colors: {
  custom: {
    50: '#747fc1',
    500: '#274ea6',
    950: '#000000',
  },
}

SCSS

$custom: #274ea6;
$custom-light: #747fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#274ea6",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 166
  },
  "hsl": {
    "h": 221.575,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.44843,
    "c": 0.14897,
    "h": 263.5
  },
  "luminance": 0.08633
}

Semantic roles & 50–950 ramp

primary

#274EA6

secondary

#C3A666

accent

#B343E5

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274EA6

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

Preview Lab → · Contrast checker → · Palette generator →