#258FA1#258FA1

#258FA1 is a mid, moderate teal. Relative luminance 0.226; OKLCH L 60.0% C 0.095 H 211.8°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#258FA1
RGB	rgb(37, 143, 161)
HSL	hsl(189, 63%, 39%)
HSV	hsv(189, 77%, 63%)
CMYK	cmyk(77%, 11.2%, 0%, 36.9%)
CIE-LAB	lab(54.67, -22.80, -17.95)
CIE-LCH	lch(54.67, 29.02, 218.21°)
OKLab	oklab(60.02% -0.0806 -0.05)
OKLCH	oklch(60.02% 0.095 211.8)
XYZ	xyz(17.0157, 22.6094, 37.1786)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258FA1 #A13725

analogous

#25A175 #258FA1 #2551A1

triadic

#258FA1 #A1258F #8FA125

tetradic

#258FA1 #7525A1 #A13725 #51A125

square

#258FA1 #7525A1 #A13725 #51A125

split-complementary

#258FA1 #A12551 #A17525

monochromatic

#0E373D #1A636F #258FA1 #33B9D0 #65CADC

Accessibility & contrast

On white

3.80

#258FA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#258FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258FA1

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258FA1	#FFFFFF	#000000	##000000
##258FA1	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA2

Deuteranopia (green-blind)

#707DA1

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258fa1;
/* rgb */ color: rgb(37, 143, 161);
/* oklch */ color: oklch(60.0% 0.095 211.8);

Tailwind

colors: {
  custom: {
    50: '#74b0bc',
    500: '#258fa1',
    950: '#000000',
  },
}

SCSS

$custom: #258fa1;
$custom-light: #74b0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#258fa1",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 161
  },
  "hsl": {
    "h": 188.71,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.60025,
    "c": 0.09487,
    "h": 211.8
  },
  "luminance": 0.22611
}

Semantic roles & 50–950 ramp

primary

#258FA1

secondary

#C16F61

accent

#5A42E6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258FA1

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

Preview Lab → · Contrast checker → · Palette generator →