#258E9C#258E9C

#258E9C is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.6% C 0.093 H 208.3°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#258E9C
RGB	rgb(37, 142, 156)
HSL	hsl(187, 62%, 38%)
HSV	hsv(187, 76%, 61%)
CMYK	cmyk(76.3%, 9%, 0%, 38.8%)
CIE-LAB	lab(54.17, -23.92, -15.82)
CIE-LCH	lch(54.17, 28.68, 213.49°)
OKLab	oklab(59.57% -0.0817 -0.044)
OKLCH	oklch(59.57% 0.093 208.3)
XYZ	xyz(16.4341, 22.1376, 34.8529)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258E9C #9C3325

analogous

#259C6E #258E9C #25529C

triadic

#258E9C #9C258E #8E9C25

tetradic

#258E9C #6E259C #9C3325 #529C25

square

#258E9C #6E259C #9C3325 #529C25

split-complementary

#258E9C #9C2552 #9C6E25

monochromatic

#0E3439 #19616B #258E9C #31BBCD #62CCDA

Accessibility & contrast

On white

3.87

#258E9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#258E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258E9C

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258E9C	#FFFFFF	#000000	##000000
##258E9C	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889D

Deuteranopia (green-blind)

#717C9C

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258e9c;
/* rgb */ color: rgb(37, 142, 156);
/* oklch */ color: oklch(59.6% 0.093 208.3);

Tailwind

colors: {
  custom: {
    50: '#74afb9',
    500: '#258e9c',
    950: '#000000',
  },
}

SCSS

$custom: #258e9c;
$custom-light: #74afb9;
$custom-dark: #000000;

JSON

{
  "hex": "#258e9c",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 156
  },
  "hsl": {
    "h": 187.059,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.59565,
    "c": 0.09284,
    "h": 208.3
  },
  "luminance": 0.2214
}

Semantic roles & 50–950 ramp

primary

#258E9C

secondary

#BF695E

accent

#5643E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258E9C

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

Preview Lab → · Contrast checker → · Palette generator →