#258AB1#258AB1

#258AB1 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.106 H 229.2°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#258AB1
RGB	rgb(37, 138, 177)
HSL	hsl(197, 65%, 42%)
HSV	hsv(197, 79%, 69%)
CMYK	cmyk(79.1%, 22%, 0%, 30.6%)
CIE-LAB	lab(53.75, -14.68, -28.54)
CIE-LCH	lch(53.75, 32.10, 242.78°)
OKLab	oklab(59.5% -0.0693 -0.0803)
OKLCH	oklch(59.5% 0.106 229.2)
XYZ	xyz(17.7840, 21.7424, 44.8459)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258AB1 #B14C25

analogous

#25B192 #258AB1 #2544B1

triadic

#258AB1 #B1258A #8AB125

tetradic

#258AB1 #9225B1 #B14C25 #44B125

square

#258AB1 #9225B1 #B14C25 #44B125

split-complementary

#258AB1 #B12544 #B19225

monochromatic

#103B4C #1A637E #258AB1 #3DACD6 #6FC1E1

Accessibility & contrast

On white

3.93

#258AB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#258AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258AB1

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258AB1	#FFFFFF	#000000	##000000
##258AB1	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B3

Deuteranopia (green-blind)

#637BB0

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258ab1;
/* rgb */ color: rgb(37, 138, 177);
/* oklch */ color: oklch(59.5% 0.106 229.2);

Tailwind

colors: {
  custom: {
    50: '#76acc8',
    500: '#258ab1',
    950: '#000000',
  },
}

SCSS

$custom: #258ab1;
$custom-light: #76acc8;
$custom-dark: #000000;

JSON

{
  "hex": "#258ab1",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 177
  },
  "hsl": {
    "h": 196.714,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.595,
    "c": 0.10607,
    "h": 229.2
  },
  "luminance": 0.21745
}

Semantic roles & 50–950 ramp

primary

#258AB1

secondary

#C8846A

accent

#6E3FE8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258AB1

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

Preview Lab → · Contrast checker → · Palette generator →