#1D5988#1D5988

#1D5988 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.098 H 246.3°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D5988
RGB	rgb(29, 89, 136)
HSL	hsl(206, 65%, 32%)
HSV	hsv(206, 79%, 53%)
CMYK	cmyk(78.7%, 34.6%, 0%, 46.7%)
CIE-LAB	lab(36.33, -1.79, -31.60)
CIE-LCH	lch(36.33, 31.65, 266.75°)
OKLab	oklab(44.97% -0.0394 -0.0898)
OKLCH	oklch(44.97% 0.098 246.3)
XYZ	xyz(8.5213, 9.1825, 24.6111)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5988 #884C1D

analogous

#1D8881 #1D5988 #1D2488

triadic

#1D5988 #881D59 #59881D

tetradic

#1D5988 #811D88 #884C1D #24881D

square

#1D5988 #811D88 #884C1D #24881D

split-complementary

#1D5988 #881D24 #88811D

monochromatic

#071723 #123856 #1D5988 #287ABA #4898D8

Accessibility & contrast

On white

7.40

#1D5988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1D5988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5988

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5988	#FFFFFF	#000000	##FFFFFF
##1D5988	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435B8A

Deuteranopia (green-blind)

#345187

Tritanopia (blue-blind)

#00646A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1d5988;
/* rgb */ color: rgb(29, 89, 136);
/* oklch */ color: oklch(45.0% 0.098 246.3);

Tailwind

colors: {
  custom: {
    50: '#6a87ab',
    500: '#1d5988',
    950: '#000000',
  },
}

SCSS

$custom: #1d5988;
$custom-light: #6a87ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5988",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 136
  },
  "hsl": {
    "h": 206.355,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44966,
    "c": 0.09802,
    "h": 246.3
  },
  "luminance": 0.09184
}

Semantic roles & 50–950 ramp

primary

#1D5988

secondary

#BA7947

accent

#8A40E8

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1D5988

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

Preview Lab → · Contrast checker → · Palette generator →