#247EA3#247EA3

#247EA3 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.099 H 230.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#247EA3
RGB	rgb(36, 126, 163)
HSL	hsl(197, 64%, 39%)
HSV	hsv(197, 78%, 64%)
CMYK	cmyk(77.9%, 22.7%, 0%, 36.1%)
CIE-LAB	lab(49.42, -13.02, -27.18)
CIE-LCH	lch(49.42, 30.13, 244.40°)
OKLab	oklab(55.83% -0.0632 -0.0764)
OKLCH	oklch(55.83% 0.099 230.4)
XYZ	xyz(14.7966, 17.9393, 37.3260)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247EA3 #A34924

analogous

#24A389 #247EA3 #243FA3

triadic

#247EA3 #A3247E #7EA324

tetradic

#247EA3 #8924A3 #A34924 #3FA324

square

#247EA3 #8924A3 #A34924 #3FA324

split-complementary

#247EA3 #A3243F #A38924

monochromatic

#0E313F #195771 #247EA3 #32A3D2 #65BADD

Accessibility & contrast

On white

4.58

#247EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#247EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247EA3

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247EA3	#FFFFFF	#000000	##000000
##247EA3	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA5

Deuteranopia (green-blind)

#5A70A2

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #247ea3;
/* rgb */ color: rgb(36, 126, 163);
/* oklch */ color: oklch(55.8% 0.099 230.4);

Tailwind

colors: {
  custom: {
    50: '#73a3be',
    500: '#247ea3',
    950: '#000000',
  },
}

SCSS

$custom: #247ea3;
$custom-light: #73a3be;
$custom-dark: #000000;

JSON

{
  "hex": "#247ea3",
  "rgb": {
    "r": 36,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 197.48,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.55834,
    "c": 0.0992,
    "h": 230.4
  },
  "luminance": 0.17941
}

Semantic roles & 50–950 ramp

primary

#247EA3

secondary

#C27D60

accent

#7141E7

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #247EA3

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

Preview Lab → · Contrast checker → · Palette generator →