#1C583B#1C583B

#1C583B is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.3% C 0.079 H 158.7°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C583B
RGB	rgb(28, 88, 59)
HSL	hsl(151, 52%, 23%)
HSV	hsv(151, 68%, 35%)
CMYK	cmyk(68.2%, 0%, 33%, 65.5%)
CIE-LAB	lab(33.01, -26.98, 11.28)
CIE-LCH	lch(33.01, 29.24, 157.30°)
OKLab	oklab(41.31% -0.0736 0.0286)
OKLCH	oklch(41.31% 0.079 158.7)
XYZ	xyz(4.7576, 7.5416, 5.3418)
Luminance	0.0754 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C583B #581C39

analogous

#1C581D #1C583B #1C5758

triadic

#1C583B #3B1C58 #583B1C

tetradic

#1C583B #1D1C58 #581C39 #57581C

square

#1C583B #1D1C58 #581C39 #57581C

split-complementary

#1C583B #581C57 #581D1C

monochromatic

#071710 #0D2A1C #1C583B #2B865A #3AB579

Accessibility & contrast

On white

8.37

#1C583B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1C583B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C583B

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C583B	#FFFFFF	#000000	##FFFFFF
##1C583B	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575139

Deuteranopia (green-blind)

#4F4B3D

Tritanopia (blue-blind)

#005750

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c583b;
/* rgb */ color: rgb(28, 88, 59);
/* oklch */ color: oklch(41.3% 0.079 158.7);

Tailwind

colors: {
  custom: {
    50: '#608871',
    500: '#1c583b',
    950: '#000000',
  },
}

SCSS

$custom: #1c583b;
$custom-light: #608871;
$custom-dark: #000000;

JSON

{
  "hex": "#1c583b",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 59
  },
  "hsl": {
    "h": 151,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41311,
    "c": 0.07894,
    "h": 158.7
  },
  "luminance": 0.07542
}

Semantic roles & 50–950 ramp

primary

#1C583B

secondary

#8E4267

accent

#4D92DB

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1C583B

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

Preview Lab → · Contrast checker → · Palette generator →