#1D5170#1D5170

#1D5170 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.5% C 0.075 H 238.7°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1D5170
RGB	rgb(29, 81, 112)
HSL	hsl(202, 59%, 28%)
HSV	hsv(202, 74%, 44%)
CMYK	cmyk(74.1%, 27.7%, 0%, 56.1%)
CIE-LAB	lab(32.51, -5.99, -22.77)
CIE-LCH	lch(32.51, 23.55, 255.27°)
OKLab	oklab(41.54% -0.0391 -0.0642)
OKLCH	oklch(41.54% 0.075 238.7)
XYZ	xyz(6.3726, 7.3152, 16.4022)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5170 #703C1D

analogous

#1D7066 #1D5170 #1D2770

triadic

#1D5170 #701D51 #51701D

tetradic

#1D5170 #661D70 #703C1D #27701D

square

#1D5170 #661D70 #703C1D #27701D

split-complementary

#1D5170 #701D27 #70661D

monochromatic

#061218 #102E3F #1D5170 #2A74A1 #3B96CC

Accessibility & contrast

On white

8.53

#1D5170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1D5170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5170

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5170	#FFFFFF	#000000	##FFFFFF
##1D5170	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425171

Deuteranopia (green-blind)

#37496F

Tritanopia (blue-blind)

#00595C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d5170;
/* rgb */ color: rgb(29, 81, 112);
/* oklch */ color: oklch(41.5% 0.075 238.7);

Tailwind

colors: {
  custom: {
    50: '#658199',
    500: '#1d5170',
    950: '#000000',
  },
}

SCSS

$custom: #1d5170;
$custom-light: #658199;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5170",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 112
  },
  "hsl": {
    "h": 202.41,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.41539,
    "c": 0.07515,
    "h": 238.7
  },
  "luminance": 0.07316
}

Semantic roles & 50–950 ramp

primary

#1D5170

secondary

#A46844

accent

#8046E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D5170

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

Preview Lab → · Contrast checker → · Palette generator →