#1D579A#1D579A

#1D579A is a mid, vivid cyan. Relative luminance 0.094; OKLCH L 45.6% C 0.124 H 254.7°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D579A
RGB	rgb(29, 87, 154)
HSL	hsl(212, 68%, 36%)
HSV	hsv(212, 81%, 60%)
CMYK	cmyk(81.2%, 43.5%, 0%, 39.6%)
CIE-LAB	lab(36.76, 6.60, -41.82)
CIE-LCH	lch(36.76, 42.34, 278.97°)
OKLab	oklab(45.64% -0.0328 -0.1198)
OKLCH	oklch(45.64% 0.124 254.7)
XYZ	xyz(9.7454, 9.4095, 31.8682)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D579A #9A601D

analogous

#1D959A #1D579A #211D9A

triadic

#1D579A #9A1D57 #579A1D

tetradic

#1D579A #9A1D95 #9A601D #1D9A21

square

#1D579A #9A1D95 #9A601D #1D9A21

split-complementary

#1D579A #9A211D #959A1D

monochromatic

#0A1D33 #133A66 #1D579A #2774CE #5394DF

Accessibility & contrast

On white

7.29

#1D579A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1D579A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D579A

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D579A	#FFFFFF	#000000	##FFFFFF
##1D579A	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355D9D

Deuteranopia (green-blind)

#1E5199

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d579a;
/* rgb */ color: rgb(29, 87, 154);
/* oklch */ color: oklch(45.6% 0.124 254.7);

Tailwind

colors: {
  custom: {
    50: '#6e85b8',
    500: '#1d579a',
    950: '#000000',
  },
}

SCSS

$custom: #1d579a;
$custom-light: #6e85b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d579a",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 154
  },
  "hsl": {
    "h": 212.16,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.4564,
    "c": 0.12418,
    "h": 254.7
  },
  "luminance": 0.09411
}

Semantic roles & 50–950 ramp

primary

#1D579A

secondary

#C28D51

accent

#9A3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D579A

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

Preview Lab → · Contrast checker → · Palette generator →