#274B83#274B83

#274B83 is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.6% C 0.103 H 259.0°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#274B83
RGB	rgb(39, 75, 131)
HSL	hsl(217, 54%, 33%)
HSV	hsv(217, 70%, 51%)
CMYK	cmyk(70.2%, 42.7%, 0%, 48.6%)
CIE-LAB	lab(32.04, 6.91, -35.33)
CIE-LCH	lch(32.04, 36.00, 281.06°)
OKLab	oklab(41.61% -0.0196 -0.1008)
OKLCH	oklch(41.61% 0.103 259)
XYZ	xyz(7.4480, 7.1014, 22.4465)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#274B83 #835F27

analogous

#277983 #274B83 #312783

triadic

#274B83 #83274B #4B8327

tetradic

#274B83 #832779 #835F27 #278331

square

#274B83 #832779 #835F27 #278331

split-complementary

#274B83 #833127 #798327

monochromatic

#0B1525 #193054 #274B83 #3566B2 #5785CD

Accessibility & contrast

On white

8.68

#274B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#274B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #274B83

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##274B83	#FFFFFF	#000000	##FFFFFF
##274B83	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315085

Deuteranopia (green-blind)

#224782

Tritanopia (blue-blind)

#005860

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #274b83;
/* rgb */ color: rgb(39, 75, 131);
/* oklch */ color: oklch(41.6% 0.103 259.0);

Tailwind

colors: {
  custom: {
    50: '#6c7ca7',
    500: '#274b83',
    950: '#000000',
  },
}

SCSS

$custom: #274b83;
$custom-light: #6c7ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#274b83",
  "rgb": {
    "r": 39,
    "g": 75,
    "b": 131
  },
  "hsl": {
    "h": 216.522,
    "s": 54.118,
    "l": 33.333
  },
  "oklch": {
    "l": 0.41613,
    "c": 0.10267,
    "h": 259
  },
  "luminance": 0.07102
}

Semantic roles & 50–950 ramp

primary

#274B83

secondary

#B28D54

accent

#A44ADD

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #274B83

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

Preview Lab → · Contrast checker → · Palette generator →