#274AB3#274AB3

#274AB3 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.172 H 265.7°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#274AB3
RGB	rgb(39, 74, 179)
HSL	hsl(225, 64%, 43%)
HSV	hsv(225, 78%, 70%)
CMYK	cmyk(78.2%, 58.7%, 0%, 29.8%)
CIE-LAB	lab(35.17, 26.17, -59.30)
CIE-LCH	lch(35.17, 64.82, 293.81°)
OKLab	oklab(45.08% -0.0129 -0.1713)
OKLCH	oklch(45.08% 0.172 265.7)
XYZ	xyz(11.4193, 8.5823, 43.6938)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274AB3 #B39027

analogous

#2790B3 #274AB3 #4A27B3

triadic

#274AB3 #B3274A #4AB327

tetradic

#274AB3 #B32790 #B39027 #27B34A

square

#274AB3 #B32790 #B39027 #27B34A

split-complementary

#274AB3 #B34A27 #90B327

monochromatic

#11204E #1C3581 #274AB3 #4167D6 #748FE1

Accessibility & contrast

On white

7.73

#274AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#274AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274AB3

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274AB3	#FFFFFF	#000000	##FFFFFF
##274AB3	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274ab3;
/* rgb */ color: rgb(39, 74, 179);
/* oklch */ color: oklch(45.1% 0.172 265.7);

Tailwind

colors: {
  custom: {
    50: '#777ccb',
    500: '#274ab3',
    950: '#000000',
  },
}

SCSS

$custom: #274ab3;
$custom-light: #777ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#274ab3",
  "rgb": {
    "r": 39,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 225,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45081,
    "c": 0.17178,
    "h": 265.7
  },
  "luminance": 0.08584
}

Semantic roles & 50–950 ramp

primary

#274AB3

secondary

#C8B16E

accent

#BE41E7

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274AB3

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

Preview Lab → · Contrast checker → · Palette generator →