#1D5C8B#1D5C8B

#1D5C8B is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.9% C 0.099 H 245.3°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D5C8B
RGB	rgb(29, 92, 139)
HSL	hsl(206, 65%, 33%)
HSV	hsv(206, 79%, 55%)
CMYK	cmyk(79.1%, 33.8%, 0%, 45.5%)
CIE-LAB	lab(37.44, -2.52, -31.67)
CIE-LCH	lch(37.44, 31.78, 265.45°)
OKLab	oklab(45.89% -0.0414 -0.0899)
OKLCH	oklch(45.89% 0.099 245.3)
XYZ	xyz(8.9922, 9.7785, 25.8346)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5C8B #8B4C1D

analogous

#1D8B83 #1D5C8B #1D258B

triadic

#1D5C8B #8B1D5C #5C8B1D

tetradic

#1D5C8B #831D8B #8B4C1D #258B1D

square

#1D5C8B #831D8B #8B4C1D #258B1D

split-complementary

#1D5C8B #8B1D25 #8B831D

monochromatic

#081926 #123A58 #1D5C8B #287EBE #499CD9

Accessibility & contrast

On white

7.10

#1D5C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1D5C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5C8B

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5C8B	#FFFFFF	#000000	##FFFFFF
##1D5C8B	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465E8D

Deuteranopia (green-blind)

#37548A

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d5c8b;
/* rgb */ color: rgb(29, 92, 139);
/* oklch */ color: oklch(45.9% 0.099 245.3);

Tailwind

colors: {
  custom: {
    50: '#6a89ad',
    500: '#1d5c8b',
    950: '#000000',
  },
}

SCSS

$custom: #1d5c8b;
$custom-light: #6a89ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5c8b",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 139
  },
  "hsl": {
    "h": 205.636,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.45892,
    "c": 0.099,
    "h": 245.3
  },
  "luminance": 0.0978
}

Semantic roles & 50–950 ramp

primary

#1D5C8B

secondary

#BB7A49

accent

#883FE8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1D5C8B

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

Preview Lab → · Contrast checker → · Palette generator →