#1D5C8F#1D5C8F

#1D5C8F is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 46.1% C 0.104 H 247.3°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#1D5C8F
RGB	rgb(29, 92, 143)
HSL	hsl(207, 66%, 34%)
HSV	hsv(207, 80%, 56%)
CMYK	cmyk(79.7%, 35.7%, 0%, 43.9%)
CIE-LAB	lab(37.66, -0.97, -33.76)
CIE-LCH	lch(37.66, 33.77, 268.36°)
OKLab	oklab(46.13% -0.0402 -0.096)
OKLCH	oklch(46.13% 0.104 247.3)
XYZ	xyz(9.2899, 9.8976, 27.4021)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5C8F #8F501D

analogous

#1D8F89 #1D5C8F #1D238F

triadic

#1D5C8F #8F1D5C #5C8F1D

tetradic

#1D5C8F #891D8F #8F501D #238F1D

square

#1D5C8F #891D8F #8F501D #238F1D

split-complementary

#1D5C8F #8F1D23 #8F891D

monochromatic

#081B29 #133B5C #1D5C8F #277DC2 #4C9BDB

Accessibility & contrast

On white

7.05

#1D5C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1D5C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5C8F

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5C8F	#FFFFFF	#000000	##FFFFFF
##1D5C8F	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445E91

Deuteranopia (green-blind)

#34548E

Tritanopia (blue-blind)

#00686F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1d5c8f;
/* rgb */ color: rgb(29, 92, 143);
/* oklch */ color: oklch(46.1% 0.104 247.3);

Tailwind

colors: {
  custom: {
    50: '#6b89b0',
    500: '#1d5c8f',
    950: '#000000',
  },
}

SCSS

$custom: #1d5c8f;
$custom-light: #6b89b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5c8f",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 143
  },
  "hsl": {
    "h": 206.842,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.46133,
    "c": 0.10409,
    "h": 247.3
  },
  "luminance": 0.09899
}

Semantic roles & 50–950 ramp

primary

#1D5C8F

secondary

#BD7E4B

accent

#8B3FE9

background

#F6F8FA

surface

#ECF0F5

border

#C7CBCF

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #1D5C8F

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

Preview Lab → · Contrast checker → · Palette generator →