#258599#258599

#258599 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.2% C 0.090 H 215.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#258599
RGB	rgb(37, 133, 153)
HSL	hsl(190, 61%, 37%)
HSV	hsv(190, 76%, 60%)
CMYK	cmyk(75.8%, 13.1%, 0%, 40%)
CIE-LAB	lab(51.23, -20.19, -18.57)
CIE-LCH	lch(51.23, 27.43, 222.61°)
OKLab	oklab(57.15% -0.0738 -0.0518)
OKLCH	oklch(57.15% 0.09 215.1)
XYZ	xyz(14.8978, 19.4665, 33.1031)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258599 #993925

analogous

#259973 #258599 #254B99

triadic

#258599 #992585 #859925

tetradic

#258599 #732599 #993925 #4B9925

square

#258599 #732599 #993925 #4B9925

split-complementary

#258599 #99254B #997325

monochromatic

#0D2F36 #195A68 #258599 #31B0CA #60C4D9

Accessibility & contrast

On white

4.29

#258599 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#258599 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258599

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258599	#FFFFFF	#000000	##000000
##258599	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819A

Deuteranopia (green-blind)

#677599

Tritanopia (blue-blind)

#008C8B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #258599;
/* rgb */ color: rgb(37, 133, 153);
/* oklch */ color: oklch(57.2% 0.090 215.1);

Tailwind

colors: {
  custom: {
    50: '#72a8b7',
    500: '#258599',
    950: '#000000',
  },
}

SCSS

$custom: #258599;
$custom-light: #72a8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#258599",
  "rgb": {
    "r": 37,
    "g": 133,
    "b": 153
  },
  "hsl": {
    "h": 190.345,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.57154,
    "c": 0.09018,
    "h": 215.1
  },
  "luminance": 0.19468
}

Semantic roles & 50–950 ramp

primary

#258599

secondary

#BE6D5C

accent

#5F44E4

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #258599

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

Preview Lab → · Contrast checker → · Palette generator →