#274BA3#274BA3

#274BA3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.0% C 0.149 H 264.3°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#274BA3
RGB	rgb(39, 75, 163)
HSL	hsl(223, 61%, 40%)
HSV	hsv(223, 76%, 64%)
CMYK	cmyk(76.1%, 54%, 0%, 36.1%)
CIE-LAB	lab(34.20, 19.34, -51.33)
CIE-LCH	lch(34.20, 54.85, 290.65°)
OKLab	oklab(43.97% -0.0147 -0.1478)
OKLCH	oklch(43.97% 0.149 264.3)
XYZ	xyz(9.9613, 8.1067, 35.6830)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274BA3 #A37F27

analogous

#2789A3 #274BA3 #4127A3

triadic

#274BA3 #A3274B #4BA327

tetradic

#274BA3 #A32789 #A37F27 #27A341

square

#274BA3 #A32789 #A37F27 #27A341

split-complementary

#274BA3 #A34127 #89A327

monochromatic

#0F1E40 #1B3472 #274BA3 #3864CF #698ADB

Accessibility & contrast

On white

8.01

#274BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#274BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274BA3

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274BA3	#FFFFFF	#000000	##FFFFFF
##274BA3	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0756A6

Deuteranopia (green-blind)

#004BA1

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274ba3;
/* rgb */ color: rgb(39, 75, 163);
/* oklch */ color: oklch(44.0% 0.149 264.3);

Tailwind

colors: {
  custom: {
    50: '#747cbf',
    500: '#274ba3',
    950: '#000000',
  },
}

SCSS

$custom: #274ba3;
$custom-light: #747cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#274ba3",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 163
  },
  "hsl": {
    "h": 222.581,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43967,
    "c": 0.14857,
    "h": 264.3
  },
  "luminance": 0.08108
}

Semantic roles & 50–950 ramp

primary

#274BA3

secondary

#C1A664

accent

#B643E4

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #274BA3

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

Preview Lab → · Contrast checker → · Palette generator →