#274EA1#274EA1

#274EA1 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.5% C 0.142 H 263.0°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#274EA1
RGB	rgb(39, 78, 161)
HSL	hsl(221, 61%, 39%)
HSV	hsv(221, 76%, 63%)
CMYK	cmyk(75.8%, 51.6%, 0%, 36.9%)
CIE-LAB	lab(34.91, 16.55, -48.99)
CIE-LCH	lch(34.91, 51.71, 288.67°)
OKLab	oklab(44.46% -0.0173 -0.1409)
OKLCH	oklch(44.46% 0.142 263)
XYZ	xyz(9.9918, 8.4522, 34.8161)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274EA1 #A17A27

analogous

#278BA1 #274EA1 #3D27A1

triadic

#274EA1 #A1274E #4EA127

tetradic

#274EA1 #A1278B #A17A27 #27A13D

square

#274EA1 #A1278B #A17A27 #27A13D

split-complementary

#274EA1 #A13D27 #8BA127

monochromatic

#0F1E3E #1B3670 #274EA1 #3767CE #688DDA

Accessibility & contrast

On white

7.80

#274EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#274EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274EA1

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274EA1	#FFFFFF	#000000	##FFFFFF
##274EA1	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A58A4

Deuteranopia (green-blind)

#004D9F

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #274ea1;
/* rgb */ color: rgb(39, 78, 161);
/* oklch */ color: oklch(44.5% 0.142 263.0);

Tailwind

colors: {
  custom: {
    50: '#737fbd',
    500: '#274ea1',
    950: '#000000',
  },
}

SCSS

$custom: #274ea1;
$custom-light: #737fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#274ea1",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 161
  },
  "hsl": {
    "h": 220.82,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44456,
    "c": 0.14197,
    "h": 263
  },
  "luminance": 0.08453
}

Semantic roles & 50–950 ramp

primary

#274EA1

secondary

#C0A363

accent

#B144E4

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #274EA1

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

Preview Lab → · Contrast checker → · Palette generator →