#274C8D#274C8D

#274C8D is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.5% C 0.116 H 260.8°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#274C8D
RGB	rgb(39, 76, 141)
HSL	hsl(218, 57%, 35%)
HSV	hsv(218, 72%, 55%)
CMYK	cmyk(72.3%, 46.1%, 0%, 44.7%)
CIE-LAB	lab(32.97, 10.11, -39.99)
CIE-LCH	lch(32.97, 41.25, 284.19°)
OKLab	oklab(42.54% -0.0186 -0.1145)
OKLCH	oklch(42.54% 0.116 260.8)
XYZ	xyz(8.2271, 7.5224, 26.2125)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274C8D #8D6827

analogous

#277F8D #274C8D #35278D

triadic

#274C8D #8D274C #4C8D27

tetradic

#274C8D #8D277F #8D6827 #278D35

square

#274C8D #8D277F #8D6827 #278D35

split-complementary

#274C8D #8D3527 #7F8D27

monochromatic

#0C182D #1A325D #274C8D #3466BD #5C87D2

Accessibility & contrast

On white

8.38

#274C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#274C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274C8D

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274C8D	#FFFFFF	#000000	##FFFFFF
##274C8D	1.00	8.38	2.50	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B538F

Deuteranopia (green-blind)

#18498C

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #274c8d;
/* rgb */ color: rgb(39, 76, 141);
/* oklch */ color: oklch(42.5% 0.116 260.8);

Tailwind

colors: {
  custom: {
    50: '#6e7daf',
    500: '#274c8d',
    950: '#000000',
  },
}

SCSS

$custom: #274c8d;
$custom-light: #6e7daf;
$custom-dark: #000000;

JSON

{
  "hex": "#274c8d",
  "rgb": {
    "r": 39,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 218.235,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42535,
    "c": 0.11596,
    "h": 260.8
  },
  "luminance": 0.07523
}

Semantic roles & 50–950 ramp

primary

#274C8D

secondary

#B79559

accent

#A948E0

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274C8D

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

Preview Lab → · Contrast checker → · Palette generator →