#274E8D#274E8D

#274E8D is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.113 H 259.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#274E8D
RGB	rgb(39, 78, 141)
HSL	hsl(217, 57%, 35%)
HSV	hsv(217, 72%, 55%)
CMYK	cmyk(72.3%, 44.7%, 0%, 44.7%)
CIE-LAB	lab(33.57, 8.77, -39.03)
CIE-LCH	lch(33.57, 40.00, 282.66°)
OKLab	oklab(43% -0.0205 -0.1116)
OKLCH	oklch(43% 0.113 259.6)
XYZ	xyz(8.3671, 7.8023, 26.2592)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274E8D #8D6627

analogous

#27818D #274E8D #33278D

triadic

#274E8D #8D274E #4E8D27

tetradic

#274E8D #8D2781 #8D6627 #278D33

square

#274E8D #8D2781 #8D6627 #278D33

split-complementary

#274E8D #8D3327 #818D27

monochromatic

#0C192D #1A335D #274E8D #3469BD #5C89D2

Accessibility & contrast

On white

8.20

#274E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#274E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274E8D

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274E8D	#FFFFFF	#000000	##FFFFFF
##274E8D	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F548F

Deuteranopia (green-blind)

#1D4B8C

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #274e8d;
/* rgb */ color: rgb(39, 78, 141);
/* oklch */ color: oklch(43.0% 0.113 259.6);

Tailwind

colors: {
  custom: {
    50: '#6e7faf',
    500: '#274e8d',
    950: '#000000',
  },
}

SCSS

$custom: #274e8d;
$custom-light: #6e7faf;
$custom-dark: #000000;

JSON

{
  "hex": "#274e8d",
  "rgb": {
    "r": 39,
    "g": 78,
    "b": 141
  },
  "hsl": {
    "h": 217.059,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42998,
    "c": 0.11348,
    "h": 259.6
  },
  "luminance": 0.07803
}

Semantic roles & 50–950 ramp

primary

#274E8D

secondary

#B79359

accent

#A648E0

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #274E8D

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

Preview Lab → · Contrast checker → · Palette generator →