#1B426A#1B426A

#1B426A is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.2% C 0.082 H 251.4°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B426A
RGB	rgb(27, 66, 106)
HSL	hsl(210, 59%, 26%)
HSV	hsv(210, 75%, 42%)
CMYK	cmyk(74.5%, 37.7%, 0%, 58.4%)
CIE-LAB	lab(27.21, 1.10, -27.32)
CIE-LCH	lch(27.21, 27.34, 272.30°)
OKLab	oklab(37.23% -0.026 -0.0776)
OKLCH	oklch(37.23% 0.082 251.4)
XYZ	xyz(5.0008, 5.1695, 14.3671)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B426A #6A431B

analogous

#1B696A #1B426A #1C1B6A

triadic

#1B426A #6A1B42 #426A1B

tetradic

#1B426A #6A1B69 #6A431B #1B6A1C

square

#1B426A #6A1B69 #6A431B #1B6A1C

split-complementary

#1B426A #6A1C1B #696A1B

monochromatic

#060F18 #0F2439 #1B426A #27609B #347FCB

Accessibility & contrast

On white

10.32

#1B426A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1B426A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B426A

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B426A	#FFFFFF	#000000	##FFFFFF
##1B426A	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30446C

Deuteranopia (green-blind)

#243D69

Tritanopia (blue-blind)

#004B51

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1b426a;
/* rgb */ color: rgb(27, 66, 106);
/* oklch */ color: oklch(37.2% 0.082 251.4);

Tailwind

colors: {
  custom: {
    50: '#627695',
    500: '#1b426a',
    950: '#000000',
  },
}

SCSS

$custom: #1b426a;
$custom-light: #627695;
$custom-dark: #000000;

JSON

{
  "hex": "#1b426a",
  "rgb": {
    "r": 27,
    "g": 66,
    "b": 106
  },
  "hsl": {
    "h": 210.38,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.37233,
    "c": 0.08188,
    "h": 251.4
  },
  "luminance": 0.0517
}

Semantic roles & 50–950 ramp

primary

#1B426A

secondary

#9F7142

accent

#9545E3

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1B426A

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

Preview Lab → · Contrast checker → · Palette generator →