#258DAA#258DAA

#258DAA is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.9% C 0.100 H 221.3°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#258DAA
RGB	rgb(37, 141, 170)
HSL	hsl(193, 64%, 41%)
HSV	hsv(193, 78%, 67%)
CMYK	cmyk(78.2%, 17.1%, 0%, 33.3%)
CIE-LAB	lab(54.39, -18.73, -23.54)
CIE-LCH	lch(54.39, 30.09, 231.49°)
OKLab	oklab(59.92% -0.0749 -0.0659)
OKLCH	oklch(59.92% 0.1 221.3)
XYZ	xyz(17.5405, 22.3432, 41.4106)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DAA #AA4225

analogous

#25AA84 #258DAA #254AAA

triadic

#258DAA #AA258D #8DAA25

tetradic

#258DAA #8425AA #AA4225 #4AAA25

square

#258DAA #8425AA #AA4225 #4AAA25

split-complementary

#258DAA #AA254A #AA8425

monochromatic

#0F3A45 #1A6378 #258DAA #38B2D4 #6BC5DF

Accessibility & contrast

On white

3.84

#258DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#258DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DAA

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DAA	#FFFFFF	#000000	##000000
##258DAA	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89AC

Deuteranopia (green-blind)

#6A7DAA

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258daa;
/* rgb */ color: rgb(37, 141, 170);
/* oklch */ color: oklch(59.9% 0.100 221.3);

Tailwind

colors: {
  custom: {
    50: '#75aec3',
    500: '#258daa',
    950: '#000000',
  },
}

SCSS

$custom: #258daa;
$custom-light: #75aec3;
$custom-dark: #000000;

JSON

{
  "hex": "#258daa",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 170
  },
  "hsl": {
    "h": 193.083,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.59915,
    "c": 0.0998,
    "h": 221.3
  },
  "luminance": 0.22345
}

Semantic roles & 50–950 ramp

primary

#258DAA

secondary

#C57B66

accent

#6541E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258DAA

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

Preview Lab → · Contrast checker → · Palette generator →