#1D5E8E#1D5E8E

#1D5E8E is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.6% C 0.101 H 245.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D5E8E
RGB	rgb(29, 94, 142)
HSL	hsl(205, 66%, 34%)
HSV	hsv(205, 80%, 56%)
CMYK	cmyk(79.6%, 33.8%, 0%, 44.3%)
CIE-LAB	lab(38.23, -2.62, -32.25)
CIE-LCH	lch(38.23, 32.35, 265.36°)
OKLab	oklab(46.57% -0.0424 -0.0916)
OKLCH	oklch(46.57% 0.101 245.2)
XYZ	xyz(9.3900, 10.2185, 27.0634)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5E8E #8E4D1D

analogous

#1D8E85 #1D5E8E #1D258E

triadic

#1D5E8E #8E1D5E #5E8E1D

tetradic

#1D5E8E #851D8E #8E4D1D #258E1D

square

#1D5E8E #851D8E #8E4D1D #258E1D

split-complementary

#1D5E8E #8E1D25 #8E851D

monochromatic

#081B28 #133C5B #1D5E8E #2780C1 #4B9DDA

Accessibility & contrast

On white

6.90

#1D5E8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#1D5E8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5E8E

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5E8E	#FFFFFF	#000000	##FFFFFF
##1D5E8E	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486090

Deuteranopia (green-blind)

#38558D

Tritanopia (blue-blind)

#006A6F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1d5e8e;
/* rgb */ color: rgb(29, 94, 142);
/* oklch */ color: oklch(46.6% 0.101 245.2);

Tailwind

colors: {
  custom: {
    50: '#6b8baf',
    500: '#1d5e8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d5e8e;
$custom-light: #6b8baf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5e8e",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 142
  },
  "hsl": {
    "h": 205.487,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.46567,
    "c": 0.10091,
    "h": 245.2
  },
  "luminance": 0.1022
}

Semantic roles & 50–950 ramp

primary

#1D5E8E

secondary

#BD7B4A

accent

#873FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1D5E8E

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

Preview Lab → · Contrast checker → · Palette generator →