#1A375B#1A375B

#1A375B is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.4% C 0.073 H 255.0°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#1A375B
RGB	rgb(26, 55, 91)
HSL	hsl(213, 56%, 23%)
HSV	hsv(213, 71%, 36%)
CMYK	cmyk(71.4%, 39.6%, 0%, 64.3%)
CIE-LAB	lab(22.68, 2.43, -24.79)
CIE-LCH	lch(22.68, 24.91, 275.60°)
OKLab	oklab(33.39% -0.0189 -0.0704)
OKLCH	oklch(33.39% 0.073 255)
XYZ	xyz(3.6798, 3.7070, 10.4171)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A375B #5B3E1A

analogous

#1A575B #1A375B #1D1A5B

triadic

#1A375B #5B1A37 #375B1A

tetradic

#1A375B #5B1A57 #5B3E1A #1A5B1D

square

#1A375B #5B1A57 #5B3E1A #1A5B1D

split-complementary

#1A375B #5B1D1A #575B1A

monochromatic

#070E18 #0C1A2B #1A375B #28548B #3571BA

Accessibility & contrast

On white

12.06

#1A375B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1A375B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A375B

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A375B	#FFFFFF	#000000	##FFFFFF
##1A375B	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27395C

Deuteranopia (green-blind)

#1E335A

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a375b;
/* rgb */ color: rgb(26, 55, 91);
/* oklch */ color: oklch(33.4% 0.073 255.0);

Tailwind

colors: {
  custom: {
    50: '#5f6d89',
    500: '#1a375b',
    950: '#000000',
  },
}

SCSS

$custom: #1a375b;
$custom-light: #5f6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#1a375b",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 91
  },
  "hsl": {
    "h": 213.231,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33387,
    "c": 0.07291,
    "h": 255
  },
  "luminance": 0.03707
}

Semantic roles & 50–950 ramp

primary

#1A375B

secondary

#916D40

accent

#9C49DF

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #1A375B

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

Preview Lab → · Contrast checker → · Palette generator →