#247AB0#247AB0

#247AB0 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.115 H 241.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#247AB0
RGB	rgb(36, 122, 176)
HSL	hsl(203, 66%, 42%)
HSV	hsv(203, 80%, 69%)
CMYK	cmyk(79.5%, 30.7%, 0%, 31%)
CIE-LAB	lab(48.79, -5.99, -35.71)
CIE-LCH	lch(48.79, 36.21, 260.48°)
OKLab	oklab(55.53% -0.0549 -0.1012)
OKLCH	oklch(55.53% 0.115 241.5)
XYZ	xyz(15.5205, 17.4268, 43.6116)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247AB0 #B05A24

analogous

#24B0A0 #247AB0 #2434B0

triadic

#247AB0 #B0247A #7AB024

tetradic

#247AB0 #A024B0 #B05A24 #34B024

square

#247AB0 #A024B0 #B05A24 #34B024

split-complementary

#247AB0 #B02434 #B0A024

monochromatic

#0F344A #1A577D #247AB0 #3A9AD7 #6DB4E1

Accessibility & contrast

On white

4.68

#247AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#247AB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247AB0

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247AB0	#FFFFFF	#000000	##FFFFFF
##247AB0	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617BB2

Deuteranopia (green-blind)

#4D6EAF

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #247ab0;
/* rgb */ color: rgb(36, 122, 176);
/* oklch */ color: oklch(55.5% 0.115 241.5);

Tailwind

colors: {
  custom: {
    50: '#75a0c8',
    500: '#247ab0',
    950: '#000000',
  },
}

SCSS

$custom: #247ab0;
$custom-light: #75a0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#247ab0",
  "rgb": {
    "r": 36,
    "g": 122,
    "b": 176
  },
  "hsl": {
    "h": 203.143,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55532,
    "c": 0.11516,
    "h": 241.5
  },
  "luminance": 0.17429
}

Semantic roles & 50–950 ramp

primary

#247AB0

secondary

#C88D68

accent

#803FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #247AB0

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

Preview Lab → · Contrast checker → · Palette generator →