#274EB0#274EB0

#274EB0 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.163 H 264.4°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#274EB0
RGB	rgb(39, 78, 176)
HSL	hsl(223, 64%, 42%)
HSV	hsv(223, 78%, 69%)
CMYK	cmyk(77.8%, 55.7%, 0%, 31%)
CIE-LAB	lab(36.01, 22.36, -56.15)
CIE-LCH	lch(36.01, 60.44, 291.71°)
OKLab	oklab(45.64% -0.0159 -0.162)
OKLCH	oklch(45.64% 0.163 264.4)
XYZ	xyz(11.3948, 9.0134, 42.2051)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274EB0 #B08927

analogous

#2792B0 #274EB0 #4527B0

triadic

#274EB0 #B0274E #4EB027

tetradic

#274EB0 #B02792 #B08927 #27B045

square

#274EB0 #B02792 #B08927 #27B045

split-complementary

#274EB0 #B04527 #92B027

monochromatic

#11224C #1C387E #274EB0 #406AD5 #7291E0

Accessibility & contrast

On white

7.49

#274EB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#274EB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274EB0

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274EB0	#FFFFFF	#000000	##FFFFFF
##274EB0	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB3

Deuteranopia (green-blind)

#004FAE

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #274eb0;
/* rgb */ color: rgb(39, 78, 176);
/* oklch */ color: oklch(45.6% 0.163 264.4);

Tailwind

colors: {
  custom: {
    50: '#767fc8',
    500: '#274eb0',
    950: '#000000',
  },
}

SCSS

$custom: #274eb0;
$custom-light: #767fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#274eb0",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 176
  },
  "hsl": {
    "h": 222.92,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45641,
    "c": 0.16275,
    "h": 264.4
  },
  "luminance": 0.09015
}

Semantic roles & 50–950 ramp

primary

#274EB0

secondary

#C7AD6C

accent

#B841E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #274EB0

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

Preview Lab → · Contrast checker → · Palette generator →