#258F9C#258F9C

#258F9C is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.8% C 0.093 H 207.3°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#258F9C
RGB	rgb(37, 143, 156)
HSL	hsl(187, 62%, 38%)
HSV	hsv(187, 76%, 61%)
CMYK	cmyk(76.3%, 8.3%, 0%, 38.8%)
CIE-LAB	lab(54.49, -24.43, -15.35)
CIE-LCH	lch(54.49, 28.85, 212.14°)
OKLab	oklab(59.82% -0.0828 -0.0427)
OKLCH	oklch(59.82% 0.093 207.3)
XYZ	xyz(16.5835, 22.4365, 34.9027)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F9C #9C3225

analogous

#259C6E #258F9C #25539C

triadic

#258F9C #9C258F #8F9C25

tetradic

#258F9C #6E259C #9C3225 #539C25

square

#258F9C #6E259C #9C3225 #539C25

split-complementary

#258F9C #9C2553 #9C6E25

monochromatic

#0E3439 #19626B #258F9C #31BCCD #62CDDA

Accessibility & contrast

On white

3.83

#258F9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#258F9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F9C

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F9C	#FFFFFF	#000000	##000000
##258F9C	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82899D

Deuteranopia (green-blind)

#727D9C

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258f9c;
/* rgb */ color: rgb(37, 143, 156);
/* oklch */ color: oklch(59.8% 0.093 207.3);

Tailwind

colors: {
  custom: {
    50: '#74b0b9',
    500: '#258f9c',
    950: '#000000',
  },
}

SCSS

$custom: #258f9c;
$custom-light: #74b0b9;
$custom-dark: #000000;

JSON

{
  "hex": "#258f9c",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 156
  },
  "hsl": {
    "h": 186.555,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.59819,
    "c": 0.09312,
    "h": 207.3
  },
  "luminance": 0.22439
}

Semantic roles & 50–950 ramp

primary

#258F9C

secondary

#BF685E

accent

#5543E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258F9C

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

Preview Lab → · Contrast checker → · Palette generator →