#27437B#27437B

#27437B is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.101 H 262.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#27437B
RGB	rgb(39, 67, 123)
HSL	hsl(220, 52%, 32%)
HSV	hsv(220, 68%, 48%)
CMYK	cmyk(68.3%, 45.5%, 0%, 51.8%)
CIE-LAB	lab(29.10, 9.23, -35.04)
CIE-LCH	lch(29.10, 36.24, 284.75°)
OKLab	oklab(39.18% -0.0129 -0.1001)
OKLCH	oklch(39.18% 0.101 262.7)
XYZ	xyz(6.4177, 5.8751, 19.5308)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27437B #7B5F27

analogous

#276D7B #27437B #35277B

triadic

#27437B #7B2743 #437B27

tetradic

#27437B #7B276D #7B5F27 #277B35

square

#27437B #7B276D #7B5F27 #277B35

split-complementary

#27437B #7B3527 #6D7B27

monochromatic

#0A101E #182A4D #27437B #365CA9 #547BC9

Accessibility & contrast

On white

9.65

#27437B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#27437B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27437B

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27437B	#FFFFFF	#000000	##FFFFFF
##27437B	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28497D

Deuteranopia (green-blind)

#1A417A

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #27437b;
/* rgb */ color: rgb(39, 67, 123);
/* oklch */ color: oklch(39.2% 0.101 262.7);

Tailwind

colors: {
  custom: {
    50: '#6b76a1',
    500: '#27437b',
    950: '#000000',
  },
}

SCSS

$custom: #27437b;
$custom-light: #6b76a1;
$custom-dark: #000000;

JSON

{
  "hex": "#27437b",
  "rgb": {
    "r": 39,
    "g": 67,
    "b": 123
  },
  "hsl": {
    "h": 220,
    "s": 51.852,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39178,
    "c": 0.1009,
    "h": 262.7
  },
  "luminance": 0.05876
}

Semantic roles & 50–950 ramp

primary

#27437B

secondary

#AD8E51

accent

#AC4CDB

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #27437B

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

Preview Lab → · Contrast checker → · Palette generator →