#274BB2#274BB2

#274BB2 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.169 H 265.4°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#274BB2
RGB	rgb(39, 75, 178)
HSL	hsl(224, 64%, 43%)
HSV	hsv(224, 78%, 70%)
CMYK	cmyk(78.1%, 57.9%, 0%, 30.2%)
CIE-LAB	lab(35.35, 25.13, -58.40)
CIE-LCH	lch(35.35, 63.58, 293.28°)
OKLab	oklab(45.2% -0.0136 -0.1686)
OKLCH	oklch(45.2% 0.169 265.4)
XYZ	xyz(11.3858, 8.6765, 43.1855)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274BB2 #B28E27

analogous

#2791B2 #274BB2 #4827B2

triadic

#274BB2 #B2274B #4BB227

tetradic

#274BB2 #B22791 #B28E27 #27B248

square

#274BB2 #B22791 #B28E27 #27B248

split-complementary

#274BB2 #B24827 #91B227

monochromatic

#11214E #1C3680 #274BB2 #4167D5 #738FE0

Accessibility & contrast

On white

7.68

#274BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#274BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274BB2

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274BB2	#FFFFFF	#000000	##FFFFFF
##274BB2	1.00	7.68	2.74	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB5

Deuteranopia (green-blind)

#004DB0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #274bb2;
/* rgb */ color: rgb(39, 75, 178);
/* oklch */ color: oklch(45.2% 0.169 265.4);

Tailwind

colors: {
  custom: {
    50: '#777cca',
    500: '#274bb2',
    950: '#000000',
  },
}

SCSS

$custom: #274bb2;
$custom-light: #777cca;
$custom-dark: #000000;

JSON

{
  "hex": "#274bb2",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 178
  },
  "hsl": {
    "h": 224.46,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45196,
    "c": 0.16919,
    "h": 265.4
  },
  "luminance": 0.08678
}

Semantic roles & 50–950 ramp

primary

#274BB2

secondary

#C8B06D

accent

#BC41E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #274BB2

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

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