#1C59AA#1C59AA

#1C59AA is a mid, vivid cyan. Relative luminance 0.103; OKLCH L 47.2% C 0.144 H 257.2°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#1C59AA
RGB	rgb(28, 89, 170)
HSL	hsl(214, 72%, 39%)
HSV	hsv(214, 84%, 67%)
CMYK	cmyk(83.5%, 47.6%, 0%, 33.3%)
CIE-LAB	lab(38.36, 11.57, -48.81)
CIE-LCH	lch(38.36, 50.16, 283.33°)
OKLab	oklab(47.2% -0.0318 -0.1403)
OKLCH	oklch(47.2% 0.144 257.2)
XYZ	xyz(11.3043, 10.2925, 39.4133)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C59AA #AA6D1C

analogous

#1CA0AA #1C59AA #261CAA

triadic

#1C59AA #AA1C59 #59AA1C

tetradic

#1C59AA #AA1CA0 #AA6D1C #1CAA26

square

#1C59AA #AA1CA0 #AA6D1C #1CAA26

split-complementary

#1C59AA #AA261C #A0AA1C

monochromatic

#0B2241 #133D75 #1C59AA #2875DC #5C97E4

Accessibility & contrast

On white

6.87

#1C59AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#1C59AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C59AA

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C59AA	#FFFFFF	#000000	##FFFFFF
##1C59AA	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B61AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1c59aa;
/* rgb */ color: rgb(28, 89, 170);
/* oklch */ color: oklch(47.2% 0.144 257.2);

Tailwind

colors: {
  custom: {
    50: '#7187c4',
    500: '#1c59aa',
    950: '#000000',
  },
}

SCSS

$custom: #1c59aa;
$custom-light: #7187c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c59aa",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 170
  },
  "hsl": {
    "h": 214.225,
    "s": 71.717,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47204,
    "c": 0.14386,
    "h": 257.2
  },
  "luminance": 0.10294
}

Semantic roles & 50–950 ramp

primary

#1C59AA

secondary

#C8995A

accent

#A139EE

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1C59AA

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

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