#1D59A9#1D59A9

#1D59A9 is a mid, vivid cyan. Relative luminance 0.103; OKLCH L 47.2% C 0.142 H 257.2°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D59A9
RGB	rgb(29, 89, 169)
HSL	hsl(214, 71%, 39%)
HSV	hsv(214, 83%, 66%)
CMYK	cmyk(82.8%, 47.3%, 0%, 33.7%)
CIE-LAB	lab(38.32, 11.26, -48.28)
CIE-LCH	lch(38.32, 49.58, 283.13°)
OKLab	oklab(47.16% -0.0314 -0.1387)
OKLCH	oklch(47.16% 0.142 257.2)
XYZ	xyz(11.2379, 10.2692, 38.9183)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D59A9 #A96D1D

analogous

#1D9FA9 #1D59A9 #271DA9

triadic

#1D59A9 #A91D59 #59A91D

tetradic

#1D59A9 #A91D9F #A96D1D #1DA927

square

#1D59A9 #A91D9F #A96D1D #1DA927

split-complementary

#1D59A9 #A9271D #9FA91D

monochromatic

#0B2241 #143D75 #1D59A9 #2975DA #5D97E3

Accessibility & contrast

On white

6.88

#1D59A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#1D59A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D59A9

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D59A9	#FFFFFF	#000000	##FFFFFF
##1D59A9	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D61AC

Deuteranopia (green-blind)

#0054A7

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1d59a9;
/* rgb */ color: rgb(29, 89, 169);
/* oklch */ color: oklch(47.2% 0.142 257.2);

Tailwind

colors: {
  custom: {
    50: '#7187c3',
    500: '#1d59a9',
    950: '#000000',
  },
}

SCSS

$custom: #1d59a9;
$custom-light: #7187c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d59a9",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 169
  },
  "hsl": {
    "h": 214.286,
    "s": 70.707,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47159,
    "c": 0.14225,
    "h": 257.2
  },
  "luminance": 0.10271
}

Semantic roles & 50–950 ramp

primary

#1D59A9

secondary

#C7995A

accent

#A13AED

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D59A9

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

Preview Lab → · Contrast checker → · Palette generator →