#258DAF#258DAF

#258DAF is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.1% C 0.103 H 225.1°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#258DAF
RGB	rgb(37, 141, 175)
HSL	hsl(195, 65%, 42%)
HSV	hsv(195, 79%, 69%)
CMYK	cmyk(78.9%, 19.4%, 0%, 31.4%)
CIE-LAB	lab(54.59, -17.02, -26.10)
CIE-LCH	lch(54.59, 31.16, 236.89°)
OKLab	oklab(60.14% -0.073 -0.0732)
OKLCH	oklch(60.14% 0.103 225.1)
XYZ	xyz(18.0225, 22.5360, 43.9491)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DAF #AF4725

analogous

#25AF8C #258DAF #2548AF

triadic

#258DAF #AF258D #8DAF25

tetradic

#258DAF #8C25AF #AF4725 #48AF25

square

#258DAF #8C25AF #AF4725 #48AF25

split-complementary

#258DAF #AF2548 #AF8C25

monochromatic

#103C4A #1A647C #258DAF #3CB0D6 #6EC4E0

Accessibility & contrast

On white

3.81

#258DAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#258DAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DAF

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DAF	#FFFFFF	#000000	##000000
##258DAF	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8AB1

Deuteranopia (green-blind)

#687DAF

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258daf;
/* rgb */ color: rgb(37, 141, 175);
/* oklch */ color: oklch(60.1% 0.103 225.1);

Tailwind

colors: {
  custom: {
    50: '#76aec7',
    500: '#258daf',
    950: '#000000',
  },
}

SCSS

$custom: #258daf;
$custom-light: #76aec7;
$custom-dark: #000000;

JSON

{
  "hex": "#258daf",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 175
  },
  "hsl": {
    "h": 194.783,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.60144,
    "c": 0.10339,
    "h": 225.1
  },
  "luminance": 0.22538
}

Semantic roles & 50–950 ramp

primary

#258DAF

secondary

#C78069

accent

#6940E8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258DAF

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

Preview Lab → · Contrast checker → · Palette generator →