#1D517E#1D517E

#1D517E is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.4% C 0.093 H 248.2°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#1D517E
RGB	rgb(29, 81, 126)
HSL	hsl(208, 63%, 30%)
HSV	hsv(208, 77%, 49%)
CMYK	cmyk(77%, 35.7%, 0%, 50.6%)
CIE-LAB	lab(33.25, -0.58, -30.34)
CIE-LCH	lch(33.25, 30.34, 268.91°)
OKLab	oklab(42.36% -0.0344 -0.0862)
OKLCH	oklch(42.36% 0.093 248.2)
XYZ	xyz(7.2136, 7.6516, 20.8313)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D517E #7E4A1D

analogous

#1D7E7A #1D517E #1D207E

triadic

#1D517E #7E1D51 #517E1D

tetradic

#1D517E #7A1D7E #7E4A1D #207E1D

square

#1D517E #7A1D7E #7E4A1D #207E1D

split-complementary

#1D517E #7E1D20 #7E7A1D

monochromatic

#06111B #12314C #1D517E #2871B0 #4290D3

Accessibility & contrast

On white

8.30

#1D517E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1D517E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D517E

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D517E	#FFFFFF	#000000	##FFFFFF
##1D517E	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5380

Deuteranopia (green-blind)

#2E4A7D

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d517e;
/* rgb */ color: rgb(29, 81, 126);
/* oklch */ color: oklch(42.4% 0.093 248.2);

Tailwind

colors: {
  custom: {
    50: '#6881a3',
    500: '#1d517e',
    950: '#000000',
  },
}

SCSS

$custom: #1d517e;
$custom-light: #6881a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d517e",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 126
  },
  "hsl": {
    "h": 207.835,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.42357,
    "c": 0.09281,
    "h": 248.2
  },
  "luminance": 0.07652
}

Semantic roles & 50–950 ramp

primary

#1D517E

secondary

#B17745

accent

#8E42E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D517E

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

Preview Lab → · Contrast checker → · Palette generator →