#1B5679#1B5679

#1B5679 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.3% C 0.083 H 239.3°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#1B5679
RGB	rgb(27, 86, 121)
HSL	hsl(202, 64%, 29%)
HSV	hsv(202, 78%, 47%)
CMYK	cmyk(77.7%, 28.9%, 0%, 52.5%)
CIE-LAB	lab(34.54, -5.97, -25.22)
CIE-LCH	lch(34.54, 25.92, 256.67°)
OKLab	oklab(43.27% -0.0424 -0.0712)
OKLCH	oklch(43.27% 0.083 239.3)
XYZ	xyz(7.2296, 8.2682, 19.3004)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5679 #793E1B

analogous

#1B796D #1B5679 #1B2779

triadic

#1B5679 #791B56 #56791B

tetradic

#1B5679 #6D1B79 #793E1B #27791B

square

#1B5679 #6D1B79 #793E1B #27791B

split-complementary

#1B5679 #791B27 #796D1B

monochromatic

#061219 #103247 #1B5679 #267AAB #3B9BD3

Accessibility & contrast

On white

7.91

#1B5679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1B5679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5679

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5679	#FFFFFF	#000000	##FFFFFF
##1B5679	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46567B

Deuteranopia (green-blind)

#394D78

Tritanopia (blue-blind)

#005F62

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5679;
/* rgb */ color: rgb(27, 86, 121);
/* oklch */ color: oklch(43.3% 0.083 239.3);

Tailwind

colors: {
  custom: {
    50: '#6685a0',
    500: '#1b5679',
    950: '#000000',
  },
}

SCSS

$custom: #1b5679;
$custom-light: #6685a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5679",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 121
  },
  "hsl": {
    "h": 202.34,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43272,
    "c": 0.08289,
    "h": 239.3
  },
  "luminance": 0.08269
}

Semantic roles & 50–950 ramp

primary

#1B5679

secondary

#AD6A43

accent

#7F41E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #1B5679

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

Preview Lab → · Contrast checker → · Palette generator →