#1D4E57#1D4E57

#1D4E57 is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.5% C 0.054 H 211.6°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E57
RGB	rgb(29, 78, 87)
HSL	hsl(189, 50%, 23%)
HSV	hsv(189, 67%, 34%)
CMYK	cmyk(66.7%, 10.3%, 0%, 65.9%)
CIE-LAB	lab(30.39, -13.25, -10.21)
CIE-LCH	lch(30.39, 16.73, 217.63°)
OKLab	oklab(39.48% -0.046 -0.0283)
OKLCH	oklch(39.48% 0.054 211.6)
XYZ	xyz(4.9507, 6.3976, 9.9889)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E57 #57261D

analogous

#1D5743 #1D4E57 #1D3157

triadic

#1D4E57 #571D4E #4E571D

tetradic

#1D4E57 #431D57 #57261D #31571D

square

#1D4E57 #431D57 #57261D #31571D

split-complementary

#1D4E57 #571D31 #57431D

monochromatic

#081517 #0E2529 #1D4E57 #2C7785 #3CA0B3

Accessibility & contrast

On white

9.21

#1D4E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1D4E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E57

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E57	#FFFFFF	#000000	##FFFFFF
##1D4E57	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B58

Deuteranopia (green-blind)

#3E4557

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4e57;
/* rgb */ color: rgb(29, 78, 87);
/* oklch */ color: oklch(39.5% 0.054 211.6);

Tailwind

colors: {
  custom: {
    50: '#617f86',
    500: '#1d4e57',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e57;
$custom-light: #617f86;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e57",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 87
  },
  "hsl": {
    "h": 189.31,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.39478,
    "c": 0.05405,
    "h": 211.6
  },
  "luminance": 0.06398
}

Semantic roles & 50–950 ramp

primary

#1D4E57

secondary

#8C4F44

accent

#644EDA

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #1D4E57

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

Preview Lab → · Contrast checker → · Palette generator →