#258DA9#258DA9

#258DA9 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.9% C 0.099 H 220.5°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#258DA9
RGB	rgb(37, 141, 169)
HSL	hsl(193, 64%, 40%)
HSV	hsv(193, 78%, 66%)
CMYK	cmyk(78.1%, 16.6%, 0%, 33.7%)
CIE-LAB	lab(54.35, -19.07, -23.03)
CIE-LCH	lch(54.35, 29.90, 230.37°)
OKLab	oklab(59.87% -0.0753 -0.0644)
OKLCH	oklch(59.87% 0.099 220.5)
XYZ	xyz(17.4462, 22.3055, 40.9143)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DA9 #A94125

analogous

#25A983 #258DA9 #254BA9

triadic

#258DA9 #A9258D #8DA925

tetradic

#258DA9 #8325A9 #A94125 #4BA925

square

#258DA9 #8325A9 #A94125 #4BA925

split-complementary

#258DA9 #A9254B #A98325

monochromatic

#0F3945 #1A6377 #258DA9 #38B2D3 #6AC6DE

Accessibility & contrast

On white

3.85

#258DA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#258DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DA9

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DA9	#FFFFFF	#000000	##000000
##258DA9	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89AA

Deuteranopia (green-blind)

#6B7CA9

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258da9;
/* rgb */ color: rgb(37, 141, 169);
/* oklch */ color: oklch(59.9% 0.099 220.5);

Tailwind

colors: {
  custom: {
    50: '#75aec2',
    500: '#258da9',
    950: '#000000',
  },
}

SCSS

$custom: #258da9;
$custom-light: #75aec2;
$custom-dark: #000000;

JSON

{
  "hex": "#258da9",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 169
  },
  "hsl": {
    "h": 192.727,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5987,
    "c": 0.09914,
    "h": 220.5
  },
  "luminance": 0.22308
}

Semantic roles & 50–950 ramp

primary

#258DA9

secondary

#C47965

accent

#6441E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258DA9

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

Preview Lab → · Contrast checker → · Palette generator →