#258FAE#258FAE

#258FAE is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.6% C 0.102 H 222.5°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#258FAE
RGB	rgb(37, 143, 174)
HSL	hsl(194, 65%, 41%)
HSV	hsv(194, 79%, 68%)
CMYK	cmyk(78.7%, 17.8%, 0%, 31.8%)
CIE-LAB	lab(55.17, -18.45, -24.64)
CIE-LCH	lch(55.17, 30.78, 233.18°)
OKLab	oklab(60.59% -0.0753 -0.069)
OKLCH	oklch(60.59% 0.102 222.5)
XYZ	xyz(18.2222, 23.0920, 43.5330)
Luminance	0.2309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258FAE #AE4425

analogous

#25AE89 #258FAE #254AAE

triadic

#258FAE #AE258F #8FAE25

tetradic

#258FAE #8925AE #AE4425 #4AAE25

square

#258FAE #8925AE #AE4425 #4AAE25

split-complementary

#258FAE #AE254A #AE8925

monochromatic

#103C49 #1A667C #258FAE #3BB2D5 #6DC6E0

Accessibility & contrast

On white

3.74

#258FAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#258FAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258FAE

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258FAE	#FFFFFF	#000000	##000000
##258FAE	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8BB0

Deuteranopia (green-blind)

#6B7EAE

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #258fae;
/* rgb */ color: rgb(37, 143, 174);
/* oklch */ color: oklch(60.6% 0.102 222.5);

Tailwind

colors: {
  custom: {
    50: '#76b0c6',
    500: '#258fae',
    950: '#000000',
  },
}

SCSS

$custom: #258fae;
$custom-light: #76b0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#258fae",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 174
  },
  "hsl": {
    "h": 193.577,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.60592,
    "c": 0.10218,
    "h": 222.5
  },
  "luminance": 0.23094
}

Semantic roles & 50–950 ramp

primary

#258FAE

secondary

#C67E68

accent

#6640E8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258FAE

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

Preview Lab → · Contrast checker → · Palette generator →