#274B8D#274B8D

#274B8D is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.3% C 0.117 H 261.3°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#274B8D
RGB	rgb(39, 75, 141)
HSL	hsl(219, 57%, 35%)
HSV	hsv(219, 72%, 55%)
CMYK	cmyk(72.3%, 46.8%, 0%, 44.7%)
CIE-LAB	lab(32.67, 10.78, -40.47)
CIE-LCH	lch(32.67, 41.88, 284.92°)
OKLab	oklab(42.31% -0.0176 -0.1159)
OKLCH	oklch(42.31% 0.117 261.3)
XYZ	xyz(8.1588, 7.3857, 26.1897)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B8D #8D6927

analogous

#277E8D #274B8D #36278D

triadic

#274B8D #8D274B #4B8D27

tetradic

#274B8D #8D277E #8D6927 #278D36

square

#274B8D #8D277E #8D6927 #278D36

split-complementary

#274B8D #8D3627 #7E8D27

monochromatic

#0C182D #1A315D #274B8D #3464BD #5C86D2

Accessibility & contrast

On white

8.48

#274B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#274B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B8D

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B8D	#FFFFFF	#000000	##FFFFFF
##274B8D	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29528F

Deuteranopia (green-blind)

#15488C

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #274b8d;
/* rgb */ color: rgb(39, 75, 141);
/* oklch */ color: oklch(42.3% 0.117 261.3);

Tailwind

colors: {
  custom: {
    50: '#6f7caf',
    500: '#274b8d',
    950: '#000000',
  },
}

SCSS

$custom: #274b8d;
$custom-light: #6f7caf;
$custom-dark: #000000;

JSON

{
  "hex": "#274b8d",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 141
  },
  "hsl": {
    "h": 218.824,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42306,
    "c": 0.11721,
    "h": 261.3
  },
  "luminance": 0.07387
}

Semantic roles & 50–950 ramp

primary

#274B8D

secondary

#B79659

accent

#AA48E0

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274B8D

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

Preview Lab → · Contrast checker → · Palette generator →