#1D5E80#1D5E80

#1D5E80 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.8% C 0.084 H 236.1°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D5E80
RGB	rgb(29, 94, 128)
HSL	hsl(201, 63%, 31%)
HSV	hsv(201, 77%, 50%)
CMYK	cmyk(77.3%, 26.6%, 0%, 49.8%)
CIE-LAB	lab(37.52, -7.96, -24.85)
CIE-LCH	lch(37.52, 26.09, 252.24°)
OKLab	oklab(45.78% -0.0471 -0.0701)
OKLCH	oklch(45.78% 0.084 236.1)
XYZ	xyz(8.4041, 9.8241, 21.8712)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5E80 #803F1D

analogous

#1D8070 #1D5E80 #1D2C80

triadic

#1D5E80 #801D5E #5E801D

tetradic

#1D5E80 #701D80 #803F1D #2C801D

square

#1D5E80 #701D80 #803F1D #2C801D

split-complementary

#1D5E80 #801D2C #80701D

monochromatic

#06151C #12394E #1D5E80 #2883B2 #43A2D4

Accessibility & contrast

On white

7.08

#1D5E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#1D5E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5E80

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5E80	#FFFFFF	#000000	##FFFFFF
##1D5E80	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5E82

Deuteranopia (green-blind)

#40547F

Tritanopia (blue-blind)

#00676A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d5e80;
/* rgb */ color: rgb(29, 94, 128);
/* oklch */ color: oklch(45.8% 0.084 236.1);

Tailwind

colors: {
  custom: {
    50: '#688ba5',
    500: '#1d5e80',
    950: '#000000',
  },
}

SCSS

$custom: #1d5e80;
$custom-light: #688ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5e80",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 128
  },
  "hsl": {
    "h": 200.606,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45775,
    "c": 0.08443,
    "h": 236.1
  },
  "luminance": 0.09825
}

Semantic roles & 50–950 ramp

primary

#1D5E80

secondary

#B36B45

accent

#7A42E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1D5E80

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

Preview Lab → · Contrast checker → · Palette generator →