#1D518A#1D518A

#1D518A is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.109 H 253.4°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#1D518A
RGB	rgb(29, 81, 138)
HSL	hsl(211, 65%, 33%)
HSV	hsv(211, 79%, 54%)
CMYK	cmyk(79%, 41.3%, 0%, 45.9%)
CIE-LAB	lab(33.94, 4.18, -36.62)
CIE-LCH	lch(33.94, 36.86, 276.51°)
OKLab	oklab(43.13% -0.0311 -0.1046)
OKLCH	oklch(43.13% 0.109 253.4)
XYZ	xyz(8.0349, 7.9801, 25.1567)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D518A #8A561D

analogous

#1D878A #1D518A #201D8A

triadic

#1D518A #8A1D51 #518A1D

tetradic

#1D518A #8A1D87 #8A561D #1D8A20

square

#1D518A #8A1D87 #8A561D #1D8A20

split-complementary

#1D518A #8A201D #878A1D

monochromatic

#081625 #123357 #1D518A #286FBD #498DD9

Accessibility & contrast

On white

8.09

#1D518A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1D518A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D518A

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D518A	#FFFFFF	#000000	##FFFFFF
##1D518A	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36558C

Deuteranopia (green-blind)

#244B89

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d518a;
/* rgb */ color: rgb(29, 81, 138);
/* oklch */ color: oklch(43.1% 0.109 253.4);

Tailwind

colors: {
  custom: {
    50: '#6a81ac',
    500: '#1d518a',
    950: '#000000',
  },
}

SCSS

$custom: #1d518a;
$custom-light: #6a81ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d518a",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 138
  },
  "hsl": {
    "h": 211.376,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43128,
    "c": 0.10914,
    "h": 253.4
  },
  "luminance": 0.07981
}

Semantic roles & 50–950 ramp

primary

#1D518A

secondary

#BB8448

accent

#9840E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D518A

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

Preview Lab → · Contrast checker → · Palette generator →