#259EB1#259EB1

#259EB1 is a light, moderate teal. Relative luminance 0.280; OKLCH L 64.4% C 0.103 H 210.9°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#259EB1
RGB	rgb(37, 158, 177)
HSL	hsl(188, 65%, 42%)
HSV	hsv(188, 79%, 69%)
CMYK	cmyk(79.1%, 10.7%, 0%, 30.6%)
CIE-LAB	lab(59.91, -25.28, -19.08)
CIE-LCH	lch(59.91, 31.67, 217.04°)
OKLab	oklab(64.44% -0.0888 -0.0532)
OKLCH	oklch(64.44% 0.103 210.9)
XYZ	xyz(20.9222, 28.0188, 45.8919)
Luminance	0.2802 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259EB1 #B13825

analogous

#25B17E #259EB1 #2558B1

triadic

#259EB1 #B1259E #9EB125

tetradic

#259EB1 #7E25B1 #B13825 #58B125

square

#259EB1 #7E25B1 #B13825 #58B125

split-complementary

#259EB1 #B12558 #B17E25

monochromatic

#10444C #1A717E #259EB1 #3DC2D6 #6FD2E1

Accessibility & contrast

On white

3.18

#259EB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#259EB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259EB1

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259EB1	#FFFFFF	#000000	##000000
##259EB1	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F98B2

Deuteranopia (green-blind)

#7C8AB1

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #259eb1;
/* rgb */ color: rgb(37, 158, 177);
/* oklch */ color: oklch(64.4% 0.103 210.9);

Tailwind

colors: {
  custom: {
    50: '#78bbc8',
    500: '#259eb1',
    950: '#000000',
  },
}

SCSS

$custom: #259eb1;
$custom-light: #78bbc8;
$custom-dark: #000000;

JSON

{
  "hex": "#259eb1",
  "rgb": {
    "r": 37,
    "g": 158,
    "b": 177
  },
  "hsl": {
    "h": 188.143,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.64445,
    "c": 0.10348,
    "h": 210.9
  },
  "luminance": 0.28021
}

Semantic roles & 50–950 ramp

primary

#259EB1

secondary

#C8776A

accent

#563FE8

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #259EB1

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

Preview Lab → · Contrast checker → · Palette generator →