#1B426D#1B426D

#1B426D is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.4% C 0.086 H 253.0°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#1B426D
RGB	rgb(27, 66, 109)
HSL	hsl(211, 60%, 27%)
HSV	hsv(211, 75%, 43%)
CMYK	cmyk(75.2%, 39.4%, 0%, 57.3%)
CIE-LAB	lab(27.39, 2.30, -28.95)
CIE-LCH	lch(27.39, 29.04, 274.54°)
OKLab	oklab(37.43% -0.0252 -0.0824)
OKLCH	oklch(37.43% 0.086 253)
XYZ	xyz(5.1595, 5.2330, 15.2032)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B426D #6D461B

analogous

#1B6B6D #1B426D #1D1B6D

triadic

#1B426D #6D1B42 #426D1B

tetradic

#1B426D #6D1B6B #6D461B #1B6D1D

square

#1B426D #6D1B6B #6D461B #1B6D1D

split-complementary

#1B426D #6D1D1B #6B6D1B

monochromatic

#060F19 #0F243C #1B426D #27609E #357ECD

Accessibility & contrast

On white

10.26

#1B426D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1B426D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B426D

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B426D	#FFFFFF	#000000	##FFFFFF
##1B426D	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E456F

Deuteranopia (green-blind)

#223D6C

Tritanopia (blue-blind)

#004C52

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1b426d;
/* rgb */ color: rgb(27, 66, 109);
/* oklch */ color: oklch(37.4% 0.086 253.0);

Tailwind

colors: {
  custom: {
    50: '#637697',
    500: '#1b426d',
    950: '#000000',
  },
}

SCSS

$custom: #1b426d;
$custom-light: #637697;
$custom-dark: #000000;

JSON

{
  "hex": "#1b426d",
  "rgb": {
    "r": 27,
    "g": 66,
    "b": 109
  },
  "hsl": {
    "h": 211.463,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37428,
    "c": 0.08617,
    "h": 253
  },
  "luminance": 0.05234
}

Semantic roles & 50–950 ramp

primary

#1B426D

secondary

#A27442

accent

#9844E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B426D

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

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