#1D5DA6#1D5DA6

#1D5DA6 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.9% C 0.133 H 254.7°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1D5DA6
RGB	rgb(29, 93, 166)
HSL	hsl(212, 70%, 38%)
HSV	hsv(212, 83%, 65%)
CMYK	cmyk(82.5%, 44%, 0%, 34.9%)
CIE-LAB	lab(39.31, 7.45, -44.91)
CIE-LCH	lch(39.31, 45.52, 279.42°)
OKLab	oklab(47.86% -0.0352 -0.1287)
OKLCH	oklch(47.86% 0.133 254.7)
XYZ	xyz(11.3014, 10.8417, 37.5660)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5DA6 #A6661D

analogous

#1DA1A6 #1D5DA6 #221DA6

triadic

#1D5DA6 #A61D5D #5DA61D

tetradic

#1D5DA6 #A61DA1 #A6661D #1DA622

square

#1D5DA6 #A61DA1 #A6661D #1DA622

split-complementary

#1D5DA6 #A6221D #A1A61D

monochromatic

#0B233E #144072 #1D5DA6 #277AD9 #5B9AE2

Accessibility & contrast

On white

6.63

#1D5DA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1D5DA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5DA6

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5DA6	#FFFFFF	#000000	##FFFFFF
##1D5DA6	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3863A9

Deuteranopia (green-blind)

#1C57A5

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1d5da6;
/* rgb */ color: rgb(29, 93, 166);
/* oklch */ color: oklch(47.9% 0.133 254.7);

Tailwind

colors: {
  custom: {
    50: '#708ac1',
    500: '#1d5da6',
    950: '#000000',
  },
}

SCSS

$custom: #1d5da6;
$custom-light: #708ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5da6",
  "rgb": {
    "r": 29,
    "g": 93,
    "b": 166
  },
  "hsl": {
    "h": 211.971,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47864,
    "c": 0.13347,
    "h": 254.7
  },
  "luminance": 0.10843
}

Semantic roles & 50–950 ramp

primary

#1D5DA6

secondary

#C69359

accent

#9A3BED

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5DA6

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

Preview Lab → · Contrast checker → · Palette generator →