#274F8D#274F8D

#274F8D is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.2% C 0.112 H 258.9°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#274F8D
RGB	rgb(39, 79, 141)
HSL	hsl(216, 57%, 35%)
HSV	hsv(216, 72%, 55%)
CMYK	cmyk(72.3%, 44%, 0%, 44.7%)
CIE-LAB	lab(33.87, 8.10, -38.55)
CIE-LCH	lch(33.87, 39.39, 281.87°)
OKLab	oklab(43.23% -0.0215 -0.1102)
OKLCH	oklch(43.23% 0.112 258.9)
XYZ	xyz(8.4387, 7.9455, 26.2830)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274F8D #8D6527

analogous

#27828D #274F8D #32278D

triadic

#274F8D #8D274F #4F8D27

tetradic

#274F8D #8D2782 #8D6527 #278D32

square

#274F8D #8D2782 #8D6527 #278D32

split-complementary

#274F8D #8D3227 #828D27

monochromatic

#0C192D #1A345D #274F8D #346ABD #5C8BD2

Accessibility & contrast

On white

8.11

#274F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#274F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274F8D

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274F8D	#FFFFFF	#000000	##FFFFFF
##274F8D	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31558F

Deuteranopia (green-blind)

#1F4B8C

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #274f8d;
/* rgb */ color: rgb(39, 79, 141);
/* oklch */ color: oklch(43.2% 0.112 258.9);

Tailwind

colors: {
  custom: {
    50: '#6e7faf',
    500: '#274f8d',
    950: '#000000',
  },
}

SCSS

$custom: #274f8d;
$custom-light: #6e7faf;
$custom-dark: #000000;

JSON

{
  "hex": "#274f8d",
  "rgb": {
    "r": 39,
    "g": 79,
    "b": 141
  },
  "hsl": {
    "h": 216.471,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43231,
    "c": 0.11225,
    "h": 258.9
  },
  "luminance": 0.07946
}

Semantic roles & 50–950 ramp

primary

#274F8D

secondary

#B79259

accent

#A448E0

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #274F8D

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

Preview Lab → · Contrast checker → · Palette generator →