#1D7588#1D7588

#1D7588 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.1% C 0.084 H 216.0°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D7588
RGB	rgb(29, 117, 136)
HSL	hsl(191, 65%, 32%)
HSV	hsv(191, 79%, 53%)
CMYK	cmyk(78.7%, 14%, 0%, 46.7%)
CIE-LAB	lab(45.30, -18.31, -17.65)
CIE-LCH	lch(45.30, 25.43, 223.95°)
OKLab	oklab(52.12% -0.0678 -0.0493)
OKLCH	oklch(52.12% 0.084 216)
XYZ	xyz(11.3100, 14.7600, 25.5407)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D7588 #88301D

analogous

#1D8865 #1D7588 #1D4088

triadic

#1D7588 #881D75 #75881D

tetradic

#1D7588 #651D88 #88301D #40881D

square

#1D7588 #651D88 #88301D #40881D

split-complementary

#1D7588 #881D40 #88651D

monochromatic

#071E23 #124A56 #1D7588 #28A0BA #48BED8

Accessibility & contrast

On white

5.31

#1D7588 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#1D7588 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D7588

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D7588	#FFFFFF	#000000	##FFFFFF
##1D7588	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687189

Deuteranopia (green-blind)

#5A6788

Tritanopia (blue-blind)

#007C7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1d7588;
/* rgb */ color: rgb(29, 117, 136);
/* oklch */ color: oklch(52.1% 0.084 216.0);

Tailwind

colors: {
  custom: {
    50: '#6c9daa',
    500: '#1d7588',
    950: '#000000',
  },
}

SCSS

$custom: #1d7588;
$custom-light: #6c9daa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d7588",
  "rgb": {
    "r": 29,
    "g": 117,
    "b": 136
  },
  "hsl": {
    "h": 190.654,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.52118,
    "c": 0.08385,
    "h": 216
  },
  "luminance": 0.14761
}

Semantic roles & 50–950 ramp

primary

#1D7588

secondary

#BA5B47

accent

#5E40E8

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D7588

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

Preview Lab → · Contrast checker → · Palette generator →