#258C8C#258C8C

#258C8C is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.4% C 0.090 H 195.0°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#258C8C
RGB	rgb(37, 140, 140)
HSL	hsl(180, 58%, 35%)
HSV	hsv(180, 74%, 55%)
CMYK	cmyk(73.6%, 0%, 0%, 45.1%)
CIE-LAB	lab(52.99, -27.96, -8.35)
CIE-LCH	lch(52.99, 29.18, 196.64°)
OKLab	oklab(58.43% -0.0868 -0.0232)
OKLCH	oklch(58.43% 0.09 195)
XYZ	xyz(14.8725, 21.0412, 28.0834)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C8C #8C2525

analogous

#258C59 #258C8C #25598C

triadic

#258C8C #8C258C #8C8C25

tetradic

#258C8C #59258C #8C2525 #598C25

square

#258C8C #59258C #8C2525 #598C25

split-complementary

#258C8C #8C2559 #8C5925

monochromatic

#0B2B2B #185C5C #258C8C #32BCBC #58D3D3

Accessibility & contrast

On white

4.03

#258C8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#258C8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C8C

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C8C	#FFFFFF	#000000	##000000
##258C8C	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83858C

Deuteranopia (green-blind)

#737A8D

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258c8c;
/* rgb */ color: rgb(37, 140, 140);
/* oklch */ color: oklch(58.4% 0.090 195.0);

Tailwind

colors: {
  custom: {
    50: '#71aead',
    500: '#258c8c',
    950: '#000000',
  },
}

SCSS

$custom: #258c8c;
$custom-light: #71aead;
$custom-dark: #000000;

JSON

{
  "hex": "#258c8c",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 140
  },
  "hsl": {
    "h": 180,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.58431,
    "c": 0.08988,
    "h": 195
  },
  "luminance": 0.21043
}

Semantic roles & 50–950 ramp

primary

#258C8C

secondary

#B85555

accent

#4646E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258C8C

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

Preview Lab → · Contrast checker → · Palette generator →