#258AA1#258AA1

#258AA1 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 58.8% C 0.095 H 216.9°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#258AA1
RGB	rgb(37, 138, 161)
HSL	hsl(191, 63%, 39%)
HSV	hsv(191, 77%, 63%)
CMYK	cmyk(77%, 14.3%, 0%, 36.9%)
CIE-LAB	lab(53.10, -20.17, -20.34)
CIE-LCH	lch(53.10, 28.65, 225.23°)
OKLab	oklab(58.77% -0.0756 -0.0568)
OKLCH	oklch(58.77% 0.095 216.9)
XYZ	xyz(16.2817, 21.1415, 36.9339)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258AA1 #A13C25

analogous

#25A17A #258AA1 #254CA1

triadic

#258AA1 #A1258A #8AA125

tetradic

#258AA1 #7A25A1 #A13C25 #4CA125

square

#258AA1 #7A25A1 #A13C25 #4CA125

split-complementary

#258AA1 #A1254C #A17A25

monochromatic

#0E353D #1A5F6F #258AA1 #33B3D0 #65C6DC

Accessibility & contrast

On white

4.02

#258AA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#258AA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258AA1

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258AA1	#FFFFFF	#000000	##000000
##258AA1	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B86A2

Deuteranopia (green-blind)

#6A7AA1

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #258aa1;
/* rgb */ color: rgb(37, 138, 161);
/* oklch */ color: oklch(58.8% 0.095 216.9);

Tailwind

colors: {
  custom: {
    50: '#74acbc',
    500: '#258aa1',
    950: '#000000',
  },
}

SCSS

$custom: #258aa1;
$custom-light: #74acbc;
$custom-dark: #000000;

JSON

{
  "hex": "#258aa1",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 161
  },
  "hsl": {
    "h": 191.129,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.58765,
    "c": 0.09454,
    "h": 216.9
  },
  "luminance": 0.21143
}

Semantic roles & 50–950 ramp

primary

#258AA1

secondary

#C17361

accent

#6042E6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #258AA1

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

Preview Lab → · Contrast checker → · Palette generator →