#258B9B#258B9B

#258B9B is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.8% C 0.092 H 210.5°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#258B9B
RGB	rgb(37, 139, 155)
HSL	hsl(188, 61%, 38%)
HSV	hsv(188, 76%, 61%)
CMYK	cmyk(76.1%, 10.3%, 0%, 39.2%)
CIE-LAB	lab(53.19, -22.69, -16.74)
CIE-LCH	lch(53.19, 28.19, 216.41°)
OKLab	oklab(58.76% -0.0791 -0.0466)
OKLCH	oklch(58.76% 0.092 210.5)
XYZ	xyz(15.9094, 21.2232, 34.2620)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B9B #9B3525

analogous

#259B70 #258B9B #25509B

triadic

#258B9B #9B258B #8B9B25

tetradic

#258B9B #70259B #9B3525 #509B25

square

#258B9B #70259B #9B3525 #509B25

split-complementary

#258B9B #9B2550 #9B7025

monochromatic

#0D3238 #195F6A #258B9B #31B7CC #61C9D9

Accessibility & contrast

On white

4.00

#258B9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#258B9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B9B

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B9B	#FFFFFF	#000000	##000000
##258B9B	1.00	4.00	5.24	5.24
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E869C

Deuteranopia (green-blind)

#6D7A9B

Tritanopia (blue-blind)

#009290

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #258b9b;
/* rgb */ color: rgb(37, 139, 155);
/* oklch */ color: oklch(58.8% 0.092 210.5);

Tailwind

colors: {
  custom: {
    50: '#73adb8',
    500: '#258b9b',
    950: '#000000',
  },
}

SCSS

$custom: #258b9b;
$custom-light: #73adb8;
$custom-dark: #000000;

JSON

{
  "hex": "#258b9b",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 155
  },
  "hsl": {
    "h": 188.136,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.58762,
    "c": 0.09181,
    "h": 210.5
  },
  "luminance": 0.21225
}

Semantic roles & 50–950 ramp

primary

#258B9B

secondary

#BF6A5D

accent

#5943E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258B9B

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

Preview Lab → · Contrast checker → · Palette generator →