#258F9D#258F9D

#258F9D is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.093 H 208.2°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#258F9D
RGB	rgb(37, 143, 157)
HSL	hsl(187, 62%, 38%)
HSV	hsv(187, 76%, 62%)
CMYK	cmyk(76.4%, 8.9%, 0%, 38.4%)
CIE-LAB	lab(54.52, -24.11, -15.87)
CIE-LCH	lch(54.52, 28.86, 213.36°)
OKLab	oklab(59.86% -0.0823 -0.0441)
OKLCH	oklch(59.86% 0.093 208.2)
XYZ	xyz(16.6686, 22.4705, 35.3505)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F9D #9D3325

analogous

#259D6F #258F9D #25539D

triadic

#258F9D #9D258F #8F9D25

tetradic

#258F9D #6F259D #9D3325 #539D25

square

#258F9D #6F259D #9D3325 #539D25

split-complementary

#258F9D #9D2553 #9D6F25

monochromatic

#0E353A #19626B #258F9D #31BCCE #62CCDA

Accessibility & contrast

On white

3.82

#258F9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#258F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F9D

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F9D	#FFFFFF	#000000	##000000
##258F9D	1.00	3.82	5.49	5.49
#FFFFFF	3.82	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)

#82899E

Deuteranopia (green-blind)

#717D9D

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258f9d;
/* rgb */ color: rgb(37, 143, 157);
/* oklch */ color: oklch(59.9% 0.093 208.2);

Tailwind

colors: {
  custom: {
    50: '#74b0ba',
    500: '#258f9d',
    950: '#000000',
  },
}

SCSS

$custom: #258f9d;
$custom-light: #74b0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#258f9d",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 157
  },
  "hsl": {
    "h": 187,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.5986,
    "c": 0.09342,
    "h": 208.2
  },
  "luminance": 0.22473
}

Semantic roles & 50–950 ramp

primary

#258F9D

secondary

#BF6A5E

accent

#5643E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258F9D

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

Preview Lab → · Contrast checker → · Palette generator →