#1D5B89#1D5B89

#1D5B89 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.5% C 0.097 H 245.1°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#1D5B89
RGB	rgb(29, 91, 137)
HSL	hsl(206, 65%, 33%)
HSV	hsv(206, 79%, 54%)
CMYK	cmyk(78.8%, 33.6%, 0%, 46.3%)
CIE-LAB	lab(37.02, -2.67, -31.13)
CIE-LCH	lch(37.02, 31.24, 265.10°)
OKLab	oklab(45.52% -0.041 -0.0883)
OKLCH	oklch(45.52% 0.097 245.1)
XYZ	xyz(8.7614, 9.5485, 25.0433)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5B89 #894B1D

analogous

#1D8981 #1D5B89 #1D2589

triadic

#1D5B89 #891D5B #5B891D

tetradic

#1D5B89 #811D89 #894B1D #25891D

square

#1D5B89 #811D89 #894B1D #25891D

split-complementary

#1D5B89 #891D25 #89811D

monochromatic

#081824 #123956 #1D5B89 #287DBC #489BD8

Accessibility & contrast

On white

7.22

#1D5B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1D5B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B89

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5B89	#FFFFFF	#000000	##FFFFFF
##1D5B89	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465D8B

Deuteranopia (green-blind)

#365388

Tritanopia (blue-blind)

#00666B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1d5b89;
/* rgb */ color: rgb(29, 91, 137);
/* oklch */ color: oklch(45.5% 0.097 245.1);

Tailwind

colors: {
  custom: {
    50: '#6a89ab',
    500: '#1d5b89',
    950: '#000000',
  },
}

SCSS

$custom: #1d5b89;
$custom-light: #6a89ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5b89",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 137
  },
  "hsl": {
    "h": 205.556,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.45524,
    "c": 0.09741,
    "h": 245.1
  },
  "luminance": 0.0955
}

Semantic roles & 50–950 ramp

primary

#1D5B89

secondary

#BA7847

accent

#8740E8

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1D5B89

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

Preview Lab → · Contrast checker → · Palette generator →