#274C8B#274C8B

#274C8B is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.4% C 0.113 H 260.3°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#274C8B
RGB	rgb(39, 76, 139)
HSL	hsl(218, 56%, 35%)
HSV	hsv(218, 72%, 55%)
CMYK	cmyk(71.9%, 45.3%, 0%, 45.5%)
CIE-LAB	lab(32.84, 9.33, -38.97)
CIE-LCH	lch(32.84, 40.07, 283.47°)
OKLab	oklab(42.4% -0.019 -0.1115)
OKLCH	oklch(42.4% 0.113 260.3)
XYZ	xyz(8.0797, 7.4635, 25.4359)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C8B #8B6627

analogous

#277E8B #274C8B #34278B

triadic

#274C8B #8B274C #4C8B27

tetradic

#274C8B #8B277E #8B6627 #278B34

square

#274C8B #8B277E #8B6627 #278B34

split-complementary

#274C8B #8B3427 #7E8B27

monochromatic

#0C182B #1A325B #274C8B #3466BB #5B87D1

Accessibility & contrast

On white

8.42

#274C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#274C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C8B

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C8B	#FFFFFF	#000000	##FFFFFF
##274C8B	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D528D

Deuteranopia (green-blind)

#1B498A

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #274c8b;
/* rgb */ color: rgb(39, 76, 139);
/* oklch */ color: oklch(42.4% 0.113 260.3);

Tailwind

colors: {
  custom: {
    50: '#6e7dad',
    500: '#274c8b',
    950: '#000000',
  },
}

SCSS

$custom: #274c8b;
$custom-light: #6e7dad;
$custom-dark: #000000;

JSON

{
  "hex": "#274c8b",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 139
  },
  "hsl": {
    "h": 217.8,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42395,
    "c": 0.11307,
    "h": 260.3
  },
  "luminance": 0.07464
}

Semantic roles & 50–950 ramp

primary

#274C8B

secondary

#B69358

accent

#A848DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274C8B

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

Preview Lab → · Contrast checker → · Palette generator →