#1D7583#1D7583

#1D7583 is a mid, moderate teal. Relative luminance 0.146; OKLCH L 51.9% C 0.081 H 210.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D7583
RGB	rgb(29, 117, 131)
HSL	hsl(188, 64%, 31%)
HSV	hsv(188, 78%, 51%)
CMYK	cmyk(77.9%, 10.7%, 0%, 48.6%)
CIE-LAB	lab(45.11, -20.02, -14.97)
CIE-LCH	lch(45.11, 25.00, 216.78°)
OKLab	oklab(51.9% -0.07 -0.0417)
OKLCH	oklch(51.9% 0.081 210.8)
XYZ	xyz(10.9629, 14.6212, 23.7127)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D7583 #832B1D

analogous

#1D835E #1D7583 #1D4283

triadic

#1D7583 #831D75 #75831D

tetradic

#1D7583 #5E1D83 #832B1D #42831D

square

#1D7583 #5E1D83 #832B1D #42831D

split-complementary

#1D7583 #831D42 #835E1D

monochromatic

#071B1F #124851 #1D7583 #28A2B5 #45C2D6

Accessibility & contrast

On white

5.35

#1D7583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#1D7583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D7583

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D7583	#FFFFFF	#000000	##FFFFFF
##1D7583	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697184

Deuteranopia (green-blind)

#5C6683

Tritanopia (blue-blind)

#007B79

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1d7583;
/* rgb */ color: rgb(29, 117, 131);
/* oklch */ color: oklch(51.9% 0.081 210.8);

Tailwind

colors: {
  custom: {
    50: '#6b9da7',
    500: '#1d7583',
    950: '#000000',
  },
}

SCSS

$custom: #1d7583;
$custom-light: #6b9da7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d7583",
  "rgb": {
    "r": 29,
    "g": 117,
    "b": 131
  },
  "hsl": {
    "h": 188.235,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.51899,
    "c": 0.08148,
    "h": 210.8
  },
  "luminance": 0.14622
}

Semantic roles & 50–950 ramp

primary

#1D7583

secondary

#B65546

accent

#5841E7

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #1D7583

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

Preview Lab → · Contrast checker → · Palette generator →