#1B523D#1B523D

#1B523D is a dark, moderate teal. Relative luminance 0.066; OKLCH L 39.6% C 0.068 H 164.6°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B523D
RGB	rgb(27, 82, 61)
HSL	hsl(157, 50%, 21%)
HSV	hsv(157, 67%, 32%)
CMYK	cmyk(67.1%, 0%, 25.6%, 67.8%)
CIE-LAB	lab(30.89, -23.79, 7.08)
CIE-LCH	lch(30.89, 24.82, 163.42°)
OKLab	oklab(39.58% -0.0657 0.0181)
OKLCH	oklch(39.58% 0.068 164.6)
XYZ	xyz(4.3112, 6.6041, 5.4615)
Luminance	0.0660 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B523D #521B30

analogous

#1B5222 #1B523D #1B4C52

triadic

#1B523D #3D1B52 #523D1B

tetradic

#1B523D #221B52 #521B30 #4C521B

square

#1B523D #221B52 #521B30 #4C521B

split-complementary

#1B523D #521B4C #52221B

monochromatic

#081711 #0C241B #1B523D #2A805F #39AE82

Accessibility & contrast

On white

9.05

#1B523D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1B523D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B523D

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B523D	#FFFFFF	#000000	##FFFFFF
##1B523D	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3C

Deuteranopia (green-blind)

#49463E

Tritanopia (blue-blind)

#00524C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b523d;
/* rgb */ color: rgb(27, 82, 61);
/* oklch */ color: oklch(39.6% 0.068 164.6);

Tailwind

colors: {
  custom: {
    50: '#5e8372',
    500: '#1b523d',
    950: '#000000',
  },
}

SCSS

$custom: #1b523d;
$custom-light: #5e8372;
$custom-dark: #000000;

JSON

{
  "hex": "#1b523d",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 61
  },
  "hsl": {
    "h": 157.091,
    "s": 50.459,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39581,
    "c": 0.0682,
    "h": 164.6
  },
  "luminance": 0.06605
}

Semantic roles & 50–950 ramp

primary

#1B523D

secondary

#88415C

accent

#4E83DA

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050A08

muted

#797C7B

Preview Lab

Preview with #1B523D

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

Preview Lab → · Contrast checker → · Palette generator →