#258CBA#258CBA

#258CBA is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.113 H 233.1°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#258CBA
RGB	rgb(37, 140, 186)
HSL	hsl(199, 67%, 44%)
HSV	hsv(199, 80%, 73%)
CMYK	cmyk(80.1%, 24.7%, 0%, 27.1%)
CIE-LAB	lab(54.75, -12.62, -32.13)
CIE-LCH	lch(54.75, 34.52, 248.56°)
OKLab	oklab(60.43% -0.068 -0.0906)
OKLCH	oklch(60.43% 0.113 233.1)
XYZ	xyz(19.0004, 22.6923, 49.8235)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258CBA #BA5325

analogous

#25BA9D #258CBA #2542BA

triadic

#258CBA #BA258C #8CBA25

tetradic

#258CBA #9D25BA #BA5325 #42BA25

square

#258CBA #9D25BA #BA5325 #42BA25

split-complementary

#258CBA #BA2542 #BA9D25

monochromatic

#113F54 #1B6687 #258CBA #43ABDA #76C2E4

Accessibility & contrast

On white

3.79

#258CBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#258CBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CBA

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258CBA	#FFFFFF	#000000	##000000
##258CBA	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758BBC

Deuteranopia (green-blind)

#617DB9

Tritanopia (blue-blind)

#00989C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258cba;
/* rgb */ color: rgb(37, 140, 186);
/* oklch */ color: oklch(60.4% 0.113 233.1);

Tailwind

colors: {
  custom: {
    50: '#78adcf',
    500: '#258cba',
    950: '#000000',
  },
}

SCSS

$custom: #258cba;
$custom-light: #78adcf;
$custom-dark: #000000;

JSON

{
  "hex": "#258cba",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 186
  },
  "hsl": {
    "h": 198.523,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.60429,
    "c": 0.11327,
    "h": 233.1
  },
  "luminance": 0.22695
}

Semantic roles & 50–950 ramp

primary

#258CBA

secondary

#CB8C70

accent

#733EEA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258CBA

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

Preview Lab → · Contrast checker → · Palette generator →