#1D5175#1D5175

#1D5175 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.8% C 0.081 H 242.6°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D5175
RGB	rgb(29, 81, 117)
HSL	hsl(205, 60%, 29%)
HSV	hsv(205, 75%, 46%)
CMYK	cmyk(75.2%, 30.8%, 0%, 54.1%)
CIE-LAB	lab(32.77, -4.08, -25.50)
CIE-LCH	lch(32.77, 25.83, 260.92°)
OKLab	oklab(41.82% -0.0373 -0.0721)
OKLCH	oklch(41.82% 0.081 242.6)
XYZ	xyz(6.6588, 7.4297, 17.9093)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5175 #75411D

analogous

#1D756D #1D5175 #1D2575

triadic

#1D5175 #751D51 #51751D

tetradic

#1D5175 #6D1D75 #75411D #25751D

square

#1D5175 #6D1D75 #75411D #25751D

split-complementary

#1D5175 #751D25 #756D1D

monochromatic

#061119 #112F44 #1D5175 #2973A6 #3D93CF

Accessibility & contrast

On white

8.45

#1D5175 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1D5175 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5175

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5175	#FFFFFF	#000000	##FFFFFF
##1D5175	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405277

Deuteranopia (green-blind)

#344974

Tritanopia (blue-blind)

#005A5E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d5175;
/* rgb */ color: rgb(29, 81, 117);
/* oklch */ color: oklch(41.8% 0.081 242.6);

Tailwind

colors: {
  custom: {
    50: '#66819d',
    500: '#1d5175',
    950: '#000000',
  },
}

SCSS

$custom: #1d5175;
$custom-light: #66819d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5175",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 117
  },
  "hsl": {
    "h": 204.545,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.41821,
    "c": 0.08119,
    "h": 242.6
  },
  "luminance": 0.0743
}

Semantic roles & 50–950 ramp

primary

#1D5175

secondary

#A96E45

accent

#8544E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D5175

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

Preview Lab → · Contrast checker → · Palette generator →