#274D8A#274D8A

#274D8A is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.6% C 0.110 H 259.5°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#274D8A
RGB	rgb(39, 77, 138)
HSL	hsl(217, 56%, 35%)
HSV	hsv(217, 72%, 54%)
CMYK	cmyk(71.7%, 44.2%, 0%, 45.9%)
CIE-LAB	lab(33.08, 8.28, -37.98)
CIE-LCH	lch(33.08, 38.87, 282.29°)
OKLab	oklab(42.56% -0.0202 -0.1085)
OKLCH	oklch(42.56% 0.11 259.5)
XYZ	xyz(8.0764, 7.5732, 25.0760)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274D8A #8A6427

analogous

#277E8A #274D8A #33278A

triadic

#274D8A #8A274D #4D8A27

tetradic

#274D8A #8A277E #8A6427 #278A33

square

#274D8A #8A277E #8A6427 #278A33

split-complementary

#274D8A #8A3327 #7E8A27

monochromatic

#0C182B #1A325A #274D8A #3468BA #5B88D1

Accessibility & contrast

On white

8.35

#274D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#274D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274D8A

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274D8A	#FFFFFF	#000000	##FFFFFF
##274D8A	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30538C

Deuteranopia (green-blind)

#1F4A89

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #274d8a;
/* rgb */ color: rgb(39, 77, 138);
/* oklch */ color: oklch(42.6% 0.110 259.5);

Tailwind

colors: {
  custom: {
    50: '#6e7eac',
    500: '#274d8a',
    950: '#000000',
  },
}

SCSS

$custom: #274d8a;
$custom-light: #6e7eac;
$custom-dark: #000000;

JSON

{
  "hex": "#274d8a",
  "rgb": {
    "r": 39,
    "g": 77,
    "b": 138
  },
  "hsl": {
    "h": 216.97,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42559,
    "c": 0.11038,
    "h": 259.5
  },
  "luminance": 0.07574
}

Semantic roles & 50–950 ramp

primary

#274D8A

secondary

#B69157

accent

#A549DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274D8A

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

Preview Lab → · Contrast checker → · Palette generator →