#1D5CA1#1D5CA1

#1D5CA1 is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.3% C 0.128 H 253.9°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#1D5CA1
RGB	rgb(29, 92, 161)
HSL	hsl(211, 69%, 37%)
HSV	hsv(211, 82%, 63%)
CMYK	cmyk(82%, 42.9%, 0%, 36.9%)
CIE-LAB	lab(38.70, 6.12, -42.91)
CIE-LCH	lch(38.70, 43.34, 278.12°)
OKLab	oklab(47.29% -0.0355 -0.1229)
OKLCH	oklch(47.29% 0.128 253.9)
XYZ	xyz(10.7644, 10.4874, 35.1682)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5CA1 #A1621D

analogous

#1D9EA1 #1D5CA1 #201DA1

triadic

#1D5CA1 #A11D5C #5CA11D

tetradic

#1D5CA1 #A11D9E #A1621D #1DA120

square

#1D5CA1 #A11D9E #A1621D #1DA120

split-complementary

#1D5CA1 #A1201D #9EA11D

monochromatic

#0A2139 #143E6D #1D5CA1 #267AD5 #5899E1

Accessibility & contrast

On white

6.78

#1D5CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1D5CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5CA1

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5CA1	#FFFFFF	#000000	##FFFFFF
##1D5CA1	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3962A4

Deuteranopia (green-blind)

#2156A0

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1d5ca1;
/* rgb */ color: rgb(29, 92, 161);
/* oklch */ color: oklch(47.3% 0.128 253.9);

Tailwind

colors: {
  custom: {
    50: '#6f89bd',
    500: '#1d5ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1d5ca1;
$custom-light: #6f89bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5ca1",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 161
  },
  "hsl": {
    "h": 211.364,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4729,
    "c": 0.1279,
    "h": 253.9
  },
  "luminance": 0.10489
}

Semantic roles & 50–950 ramp

primary

#1D5CA1

secondary

#C48F55

accent

#983CEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5CA1

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

Preview Lab → · Contrast checker → · Palette generator →