#258E88#258E88

#258E88 is a mid, moderate teal. Relative luminance 0.215; OKLCH L 58.8% C 0.092 H 189.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#258E88
RGB	rgb(37, 142, 136)
HSL	hsl(177, 59%, 35%)
HSV	hsv(177, 74%, 56%)
CMYK	cmyk(73.9%, 0%, 4.2%, 44.3%)
CIE-LAB	lab(53.51, -30.14, -5.27)
CIE-LCH	lch(53.51, 30.60, 189.92°)
OKLab	oklab(58.81% -0.0908 -0.0148)
OKLCH	oklch(58.81% 0.092 189.3)
XYZ	xyz(14.8778, 21.5151, 26.6565)
Luminance	0.2152 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258E88 #8E252B

analogous

#258E53 #258E88 #25608E

triadic

#258E88 #88258E #8E8825

tetradic

#258E88 #53258E #8E252B #608E25

square

#258E88 #53258E #8E252B #608E25

split-complementary

#258E88 #8E2560 #8E5325

monochromatic

#0C2D2B #185D5A #258E88 #32BFB6 #5AD4CD

Accessibility & contrast

On white

3.96

#258E88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#258E88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258E88

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258E88	#FFFFFF	#000000	##000000
##258E88	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868688

Deuteranopia (green-blind)

#777B89

Tritanopia (blue-blind)

#00928C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258e88;
/* rgb */ color: rgb(37, 142, 136);
/* oklch */ color: oklch(58.8% 0.092 189.3);

Tailwind

colors: {
  custom: {
    50: '#71afaa',
    500: '#258e88',
    950: '#000000',
  },
}

SCSS

$custom: #258e88;
$custom-light: #71afaa;
$custom-dark: #000000;

JSON

{
  "hex": "#258e88",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 136
  },
  "hsl": {
    "h": 176.571,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58807,
    "c": 0.092,
    "h": 189.3
  },
  "luminance": 0.21517
}

Semantic roles & 50–950 ramp

primary

#258E88

secondary

#B9565C

accent

#464FE2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258E88

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

Preview Lab → · Contrast checker → · Palette generator →