#23599B#23599B

#23599B is a mid, vivid cyan. Relative luminance 0.099; OKLCH L 46.4% C 0.121 H 255.3°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#23599B
RGB	rgb(35, 89, 155)
HSL	hsl(213, 63%, 37%)
HSV	hsv(213, 77%, 61%)
CMYK	cmyk(77.4%, 42.6%, 0%, 39.2%)
CIE-LAB	lab(37.60, 6.40, -41.07)
CIE-LCH	lch(37.60, 41.56, 278.86°)
OKLab	oklab(46.37% -0.0308 -0.1174)
OKLCH	oklch(46.37% 0.121 255.3)
XYZ	xyz(10.1797, 9.8675, 32.3721)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23599B #9B6523

analogous

#23959B #23599B #29239B

triadic

#23599B #9B2359 #599B23

tetradic

#23599B #9B2395 #9B6523 #239B29

square

#23599B #9B2395 #9B6523 #239B29

split-complementary

#23599B #9B2923 #959B23

monochromatic

#0C2037 #183C69 #23599B #2E76CD #5E96DB

Accessibility & contrast

On white

7.06

#23599B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#23599B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23599B

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23599B	#FFFFFF	#000000	##FFFFFF
##23599B	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395E9E

Deuteranopia (green-blind)

#24539A

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #23599b;
/* rgb */ color: rgb(35, 89, 155);
/* oklch */ color: oklch(46.4% 0.121 255.3);

Tailwind

colors: {
  custom: {
    50: '#7087b9',
    500: '#23599b',
    950: '#000000',
  },
}

SCSS

$custom: #23599b;
$custom-light: #7087b9;
$custom-dark: #000000;

JSON

{
  "hex": "#23599b",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 155
  },
  "hsl": {
    "h": 213,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46365,
    "c": 0.1214,
    "h": 255.3
  },
  "luminance": 0.09869
}

Semantic roles & 50–950 ramp

primary

#23599B

secondary

#BF925A

accent

#9C42E6

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #23599B

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

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