#258BA5#258BA5

#258BA5 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.2% C 0.097 H 219.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#258BA5
RGB	rgb(37, 139, 165)
HSL	hsl(192, 63%, 40%)
HSV	hsv(192, 78%, 65%)
CMYK	cmyk(77.6%, 15.8%, 0%, 35.3%)
CIE-LAB	lab(53.57, -19.36, -21.93)
CIE-LCH	lch(53.57, 29.25, 228.56°)
OKLab	oklab(59.19% -0.0749 -0.0613)
OKLCH	oklch(59.19% 0.097 219.3)
XYZ	xyz(16.7842, 21.5731, 38.8694)
Luminance	0.2157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258BA5 #A53F25

analogous

#25A57F #258BA5 #254BA5

triadic

#258BA5 #A5258B #8BA525

tetradic

#258BA5 #7F25A5 #A53F25 #4BA525

square

#258BA5 #7F25A5 #A53F25 #4BA525

split-complementary

#258BA5 #A5254B #A57F25

monochromatic

#0F3741 #1A6173 #258BA5 #35B2D2 #67C5DD

Accessibility & contrast

On white

3.95

#258BA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#258BA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258BA5

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258BA5	#FFFFFF	#000000	##000000
##258BA5	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B87A6

Deuteranopia (green-blind)

#6A7BA5

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258ba5;
/* rgb */ color: rgb(37, 139, 165);
/* oklch */ color: oklch(59.2% 0.097 219.3);

Tailwind

colors: {
  custom: {
    50: '#74adbf',
    500: '#258ba5',
    950: '#000000',
  },
}

SCSS

$custom: #258ba5;
$custom-light: #74adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#258ba5",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 165
  },
  "hsl": {
    "h": 192.188,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.59192,
    "c": 0.09683,
    "h": 219.3
  },
  "luminance": 0.21575
}

Semantic roles & 50–950 ramp

primary

#258BA5

secondary

#C37663

accent

#6341E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258BA5

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

Preview Lab → · Contrast checker → · Palette generator →