#1D59AA#1D59AA

#1D59AA is a mid, vivid cyan. Relative luminance 0.103; OKLCH L 47.2% C 0.144 H 257.4°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D59AA
RGB	rgb(29, 89, 170)
HSL	hsl(214, 71%, 39%)
HSV	hsv(214, 83%, 67%)
CMYK	cmyk(82.9%, 47.6%, 0%, 33.3%)
CIE-LAB	lab(38.39, 11.66, -48.77)
CIE-LCH	lch(38.39, 50.14, 283.45°)
OKLab	oklab(47.23% -0.0313 -0.1402)
OKLCH	oklch(47.23% 0.144 257.4)
XYZ	xyz(11.3321, 10.3069, 39.4146)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D59AA #AA6E1D

analogous

#1DA0AA #1D59AA #281DAA

triadic

#1D59AA #AA1D59 #59AA1D

tetradic

#1D59AA #AA1DA0 #AA6E1D #1DAA28

square

#1D59AA #AA1DA0 #AA6E1D #1DAA28

split-complementary

#1D59AA #AA281D #A0AA1D

monochromatic

#0B2241 #143E76 #1D59AA #2A75DB #5E97E4

Accessibility & contrast

On white

6.86

#1D59AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#1D59AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D59AA

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D59AA	#FFFFFF	#000000	##FFFFFF
##1D59AA	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C61AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1d59aa;
/* rgb */ color: rgb(29, 89, 170);
/* oklch */ color: oklch(47.2% 0.144 257.4);

Tailwind

colors: {
  custom: {
    50: '#7287c4',
    500: '#1d59aa',
    950: '#000000',
  },
}

SCSS

$custom: #1d59aa;
$custom-light: #7287c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d59aa",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 170
  },
  "hsl": {
    "h": 214.468,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47231,
    "c": 0.14361,
    "h": 257.4
  },
  "luminance": 0.10308
}

Semantic roles & 50–950 ramp

primary

#1D59AA

secondary

#C8995B

accent

#A13AEE

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1D59AA

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

Preview Lab → · Contrast checker → · Palette generator →