#274D87#274D87

#274D87 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.4% C 0.106 H 258.7°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#274D87
RGB	rgb(39, 77, 135)
HSL	hsl(216, 55%, 34%)
HSV	hsv(216, 71%, 53%)
CMYK	cmyk(71.1%, 43%, 0%, 47.1%)
CIE-LAB	lab(32.89, 7.12, -36.43)
CIE-LCH	lch(32.89, 37.12, 281.05°)
OKLab	oklab(42.36% -0.0208 -0.104)
OKLCH	oklch(42.36% 0.106 258.7)
XYZ	xyz(7.8622, 7.4875, 23.9479)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D87 #876127

analogous

#277D87 #274D87 #312787

triadic

#274D87 #87274D #4D8727

tetradic

#274D87 #87277D #876127 #278731

square

#274D87 #87277D #876127 #278731

split-complementary

#274D87 #873127 #7D8727

monochromatic

#0C1728 #193258 #274D87 #3568B6 #5988CF

Accessibility & contrast

On white

8.41

#274D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#274D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D87

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D87	#FFFFFF	#000000	##FFFFFF
##274D87	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325289

Deuteranopia (green-blind)

#224986

Tritanopia (blue-blind)

#005A63

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #274d87;
/* rgb */ color: rgb(39, 77, 135);
/* oklch */ color: oklch(42.4% 0.106 258.7);

Tailwind

colors: {
  custom: {
    50: '#6d7eaa',
    500: '#274d87',
    950: '#000000',
  },
}

SCSS

$custom: #274d87;
$custom-light: #6d7eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#274d87",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 135
  },
  "hsl": {
    "h": 216.25,
    "s": 55.172,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42355,
    "c": 0.10604,
    "h": 258.7
  },
  "luminance": 0.07488
}

Semantic roles & 50–950 ramp

primary

#274D87

secondary

#B48F56

accent

#A349DF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #274D87

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

Preview Lab → · Contrast checker → · Palette generator →