#1D5389#1D5389

#1D5389 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.5% C 0.106 H 251.6°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D5389
RGB	rgb(29, 83, 137)
HSL	hsl(210, 65%, 33%)
HSV	hsv(210, 79%, 54%)
CMYK	cmyk(78.8%, 39.4%, 0%, 46.3%)
CIE-LAB	lab(34.50, 2.46, -35.11)
CIE-LCH	lch(34.50, 35.20, 274.02°)
OKLab	oklab(43.55% -0.0333 -0.1001)
OKLCH	oklch(43.55% 0.106 251.6)
XYZ	xyz(8.1136, 8.2529, 24.8274)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5389 #89531D

analogous

#1D8989 #1D5389 #1D1D89

triadic

#1D5389 #891D53 #53891D

tetradic

#1D5389 #891D89 #89531D #1D891D

square

#1D5389 #891D89 #89531D #1D891D

split-complementary

#1D5389 #891D1D #89891D

monochromatic

#081624 #123456 #1D5389 #2872BC #4890D8

Accessibility & contrast

On white

7.92

#1D5389 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1D5389 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5389

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5389	#FFFFFF	#000000	##FFFFFF
##1D5389	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A578B

Deuteranopia (green-blind)

#294D88

Tritanopia (blue-blind)

#006067

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d5389;
/* rgb */ color: rgb(29, 83, 137);
/* oklch */ color: oklch(43.5% 0.106 251.6);

Tailwind

colors: {
  custom: {
    50: '#6a83ac',
    500: '#1d5389',
    950: '#000000',
  },
}

SCSS

$custom: #1d5389;
$custom-light: #6a83ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5389",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 137
  },
  "hsl": {
    "h": 210,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43548,
    "c": 0.10552,
    "h": 251.6
  },
  "luminance": 0.08254
}

Semantic roles & 50–950 ramp

primary

#1D5389

secondary

#BA8147

accent

#9440E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5389

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

Preview Lab → · Contrast checker → · Palette generator →