#274D8D#274D8D

#274D8D is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.8% C 0.115 H 260.2°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#274D8D
RGB	rgb(39, 77, 141)
HSL	hsl(218, 57%, 35%)
HSV	hsv(218, 72%, 55%)
CMYK	cmyk(72.3%, 45.4%, 0%, 44.7%)
CIE-LAB	lab(33.27, 9.44, -39.51)
CIE-LCH	lch(33.27, 40.62, 283.44°)
OKLab	oklab(42.77% -0.0196 -0.113)
OKLCH	oklch(42.77% 0.115 260.2)
XYZ	xyz(8.2966, 7.6613, 26.2357)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D8D #8D6727

analogous

#27808D #274D8D #34278D

triadic

#274D8D #8D274D #4D8D27

tetradic

#274D8D #8D2780 #8D6727 #278D34

square

#274D8D #8D2780 #8D6727 #278D34

split-complementary

#274D8D #8D3427 #808D27

monochromatic

#0C192D #1A335D #274D8D #3467BD #5C88D2

Accessibility & contrast

On white

8.29

#274D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#274D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D8D

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D8D	#FFFFFF	#000000	##FFFFFF
##274D8D	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D538F

Deuteranopia (green-blind)

#1A4A8C

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #274d8d;
/* rgb */ color: rgb(39, 77, 141);
/* oklch */ color: oklch(42.8% 0.115 260.2);

Tailwind

colors: {
  custom: {
    50: '#6e7eaf',
    500: '#274d8d',
    950: '#000000',
  },
}

SCSS

$custom: #274d8d;
$custom-light: #6e7eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#274d8d",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 141
  },
  "hsl": {
    "h": 217.647,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42766,
    "c": 0.11471,
    "h": 260.2
  },
  "luminance": 0.07662
}

Semantic roles & 50–950 ramp

primary

#274D8D

secondary

#B79459

accent

#A748E0

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274D8D

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

Preview Lab → · Contrast checker → · Palette generator →