#259BB0#259BB0

#259BB0 is a light, moderate teal. Relative luminance 0.270; OKLCH L 63.7% C 0.103 H 212.9°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#259BB0
RGB	rgb(37, 155, 176)
HSL	hsl(189, 65%, 42%)
HSV	hsv(189, 79%, 69%)
CMYK	cmyk(79%, 11.9%, 0%, 31%)
CIE-LAB	lab(58.94, -24.08, -19.98)
CIE-LCH	lch(58.94, 31.29, 219.69°)
OKLab	oklab(63.66% -0.0863 -0.0557)
OKLCH	oklch(63.66% 0.103 212.9)
XYZ	xyz(20.3174, 26.9681, 45.2004)
Luminance	0.2697 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#259BB0 #B03A25

analogous

#25B080 #259BB0 #2556B0

triadic

#259BB0 #B0259B #9BB025

tetradic

#259BB0 #8025B0 #B03A25 #56B025

square

#259BB0 #8025B0 #B03A25 #56B025

split-complementary

#259BB0 #B02556 #B08025

monochromatic

#10424B #1A6E7D #259BB0 #3CBFD6 #6FCFE1

Accessibility & contrast

On white

3.28

#259BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#259BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #259BB0

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##259BB0	#FFFFFF	#000000	##000000
##259BB0	1.00	3.28	6.39	6.39
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B1

Deuteranopia (green-blind)

#7988B0

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #259bb0;
/* rgb */ color: rgb(37, 155, 176);
/* oklch */ color: oklch(63.7% 0.103 212.9);

Tailwind

colors: {
  custom: {
    50: '#78b8c7',
    500: '#259bb0',
    950: '#000000',
  },
}

SCSS

$custom: #259bb0;
$custom-light: #78b8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#259bb0",
  "rgb": {
    "r": 37,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 189.065,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.63658,
    "c": 0.1027,
    "h": 212.9
  },
  "luminance": 0.26971
}

Semantic roles & 50–950 ramp

primary

#259BB0

secondary

#C7786A

accent

#5940E8

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #259BB0

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

Preview Lab → · Contrast checker → · Palette generator →