#259DB4#259DB4

#259DB4 is a light, moderate teal. Relative luminance 0.278; OKLCH L 64.3% C 0.105 H 214.2°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#259DB4
RGB	rgb(37, 157, 180)
HSL	hsl(190, 66%, 43%)
HSV	hsv(190, 79%, 71%)
CMYK	cmyk(79.4%, 12.8%, 0%, 29.4%)
CIE-LAB	lab(59.71, -23.79, -21.08)
CIE-LCH	lch(59.71, 31.79, 221.54°)
OKLab	oklab(64.32% -0.0866 -0.0588)
OKLCH	oklch(64.32% 0.105 214.2)
XYZ	xyz(21.0546, 27.7999, 47.4274)
Luminance	0.2780 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259DB4 #B43C25

analogous

#25B483 #259DB4 #2556B4

triadic

#259DB4 #B4259D #9DB425

tetradic

#259DB4 #8325B4 #B43C25 #56B425

square

#259DB4 #8325B4 #B43C25 #56B425

split-complementary

#259DB4 #B42556 #B48325

monochromatic

#10444E #1B7181 #259DB4 #3FBFD7 #71D0E2

Accessibility & contrast

On white

3.20

#259DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#259DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259DB4

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259DB4	#FFFFFF	#000000	##000000
##259DB4	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B5

Deuteranopia (green-blind)

#7A8AB4

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #259db4;
/* rgb */ color: rgb(37, 157, 180);
/* oklch */ color: oklch(64.3% 0.105 214.2);

Tailwind

colors: {
  custom: {
    50: '#78baca',
    500: '#259db4',
    950: '#000000',
  },
}

SCSS

$custom: #259db4;
$custom-light: #78baca;
$custom-dark: #000000;

JSON

{
  "hex": "#259db4",
  "rgb": {
    "r": 37,
    "g": 157,
    "b": 180
  },
  "hsl": {
    "h": 189.65,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.64322,
    "c": 0.10466,
    "h": 214.2
  },
  "luminance": 0.27803
}

Semantic roles & 50–950 ramp

primary

#259DB4

secondary

#C97B6C

accent

#5A3FE9

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #259DB4

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

Preview Lab → · Contrast checker → · Palette generator →