#1B523E#1B523E

#1B523E is a dark, moderate teal. Relative luminance 0.066; OKLCH L 39.6% C 0.067 H 165.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B523E
RGB	rgb(27, 82, 62)
HSL	hsl(158, 50%, 21%)
HSV	hsv(158, 67%, 32%)
CMYK	cmyk(67.1%, 0%, 24.4%, 67.8%)
CIE-LAB	lab(30.91, -23.53, 6.49)
CIE-LCH	lch(30.91, 24.40, 164.58°)
OKLab	oklab(39.61% -0.0652 0.0166)
OKLCH	oklch(39.61% 0.067 165.7)
XYZ	xyz(4.3383, 6.6150, 5.6047)
Luminance	0.0662 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B523E #521B2F

analogous

#1B5223 #1B523E #1B4B52

triadic

#1B523E #3E1B52 #523E1B

tetradic

#1B523E #231B52 #521B2F #4B521B

square

#1B523E #231B52 #521B2F #4B521B

split-complementary

#1B523E #521B4B #52231B

monochromatic

#081711 #0C241B #1B523E #2A8061 #39AE84

Accessibility & contrast

On white

9.04

#1B523E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1B523E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B523E

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B523E	#FFFFFF	#000000	##FFFFFF
##1B523E	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3D

Deuteranopia (green-blind)

#48463F

Tritanopia (blue-blind)

#00524C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b523e;
/* rgb */ color: rgb(27, 82, 62);
/* oklch */ color: oklch(39.6% 0.067 165.7);

Tailwind

colors: {
  custom: {
    50: '#5e8373',
    500: '#1b523e',
    950: '#000000',
  },
}

SCSS

$custom: #1b523e;
$custom-light: #5e8373;
$custom-dark: #000000;

JSON

{
  "hex": "#1b523e",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 62
  },
  "hsl": {
    "h": 158.182,
    "s": 50.459,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39611,
    "c": 0.06729,
    "h": 165.7
  },
  "luminance": 0.06615
}

Semantic roles & 50–950 ramp

primary

#1B523E

secondary

#88415B

accent

#4E81DA

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#050A08

muted

#797C7B

Preview Lab

Preview with #1B523E

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

Preview Lab → · Contrast checker → · Palette generator →