#2378BD#2378BD

#2378BD is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.133 H 248.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2378BD
RGB	rgb(35, 120, 189)
HSL	hsl(207, 69%, 44%)
HSV	hsv(207, 81%, 74%)
CMYK	cmyk(81.5%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(48.84, -0.03, -43.16)
CIE-LCH	lch(48.84, 43.16, 269.96°)
OKLab	oklab(55.78% -0.0497 -0.123)
OKLCH	oklch(55.78% 0.133 248)
XYZ	xyz(16.5914, 17.4623, 50.6304)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2378BD #BD6823

analogous

#23BDB5 #2378BD #232BBD

triadic

#2378BD #BD2378 #78BD23

tetradic

#2378BD #B523BD #BD6823 #2BBD23

square

#2378BD #B523BD #BD6823 #2BBD23

split-complementary

#2378BD #BD232B #BDB523

monochromatic

#103656 #195789 #2378BD #4197DC #75B3E5

Accessibility & contrast

On white

4.67

#2378BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#2378BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2378BD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2378BD	#FFFFFF	#000000	##FFFFFF
##2378BD	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577CC0

Deuteranopia (green-blind)

#406EBC

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2378bd;
/* rgb */ color: rgb(35, 120, 189);
/* oklch */ color: oklch(55.8% 0.133 248.0);

Tailwind

colors: {
  custom: {
    50: '#779ed1',
    500: '#2378bd',
    950: '#000000',
  },
}

SCSS

$custom: #2378bd;
$custom-light: #779ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2378bd",
  "rgb": {
    "r": 35,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 206.883,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55779,
    "c": 0.1327,
    "h": 248
  },
  "luminance": 0.17464
}

Semantic roles & 50–950 ramp

primary

#2378BD

secondary

#CD996F

accent

#8B3CEC

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2378BD

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

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