#274B8B#274B8B

#274B8B is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.2% C 0.114 H 260.9°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#274B8B
RGB	rgb(39, 75, 139)
HSL	hsl(218, 56%, 35%)
HSV	hsv(218, 72%, 55%)
CMYK	cmyk(71.9%, 46%, 0%, 45.5%)
CIE-LAB	lab(32.54, 10.00, -39.45)
CIE-LCH	lch(32.54, 40.70, 284.23°)
OKLab	oklab(42.16% -0.018 -0.1129)
OKLCH	oklch(42.16% 0.114 260.9)
XYZ	xyz(8.0113, 7.3267, 25.4131)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B8B #8B6727

analogous

#277D8B #274B8B #35278B

triadic

#274B8B #8B274B #4B8B27

tetradic

#274B8B #8B277D #8B6727 #278B35

square

#274B8B #8B277D #8B6727 #278B35

split-complementary

#274B8B #8B3527 #7D8B27

monochromatic

#0C172B #1A315B #274B8B #3465BB #5B86D1

Accessibility & contrast

On white

8.52

#274B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#274B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B8B

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B8B	#FFFFFF	#000000	##FFFFFF
##274B8B	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B518D

Deuteranopia (green-blind)

#18488A

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #274b8b;
/* rgb */ color: rgb(39, 75, 139);
/* oklch */ color: oklch(42.2% 0.114 260.9);

Tailwind

colors: {
  custom: {
    50: '#6e7cad',
    500: '#274b8b',
    950: '#000000',
  },
}

SCSS

$custom: #274b8b;
$custom-light: #6e7cad;
$custom-dark: #000000;

JSON

{
  "hex": "#274b8b",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 139
  },
  "hsl": {
    "h": 218.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42164,
    "c": 0.11432,
    "h": 260.9
  },
  "luminance": 0.07328
}

Semantic roles & 50–950 ramp

primary

#274B8B

secondary

#B69458

accent

#A948DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #274B8B

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

Preview Lab → · Contrast checker → · Palette generator →