#1D508F#1D508F

#1D508F is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.2% C 0.117 H 255.6°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#1D508F
RGB	rgb(29, 80, 143)
HSL	hsl(213, 66%, 34%)
HSV	hsv(213, 80%, 56%)
CMYK	cmyk(79.7%, 44.1%, 0%, 43.9%)
CIE-LAB	lab(33.94, 6.84, -39.67)
CIE-LCH	lch(33.94, 40.26, 279.78°)
OKLab	oklab(43.23% -0.0291 -0.1136)
OKLCH	oklch(43.23% 0.117 255.6)
XYZ	xyz(8.3314, 7.9807, 27.0826)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D508F #8F5C1D

analogous

#1D898F #1D508F #231D8F

triadic

#1D508F #8F1D50 #508F1D

tetradic

#1D508F #8F1D89 #8F5C1D #1D8F23

square

#1D508F #8F1D89 #8F5C1D #1D8F23

split-complementary

#1D508F #8F231D #898F1D

monochromatic

#081729 #13345C #1D508F #276CC2 #4C8CDB

Accessibility & contrast

On white

8.09

#1D508F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1D508F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D508F

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D508F	#FFFFFF	#000000	##FFFFFF
##1D508F	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)

#305591

Deuteranopia (green-blind)

#1B4B8E

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d508f;
/* rgb */ color: rgb(29, 80, 143);
/* oklch */ color: oklch(43.2% 0.117 255.6);

Tailwind

colors: {
  custom: {
    50: '#6b80b0',
    500: '#1d508f',
    950: '#000000',
  },
}

SCSS

$custom: #1d508f;
$custom-light: #6b80b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d508f",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 143
  },
  "hsl": {
    "h": 213.158,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43229,
    "c": 0.11725,
    "h": 255.6
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary

#1D508F

secondary

#BD8A4B

accent

#9D3FE9

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D508F

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

Preview Lab → · Contrast checker → · Palette generator →