#2D74BB#2D74BB

#2D74BB is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.131 H 251.5°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#2D74BB
RGB	rgb(45, 116, 187)
HSL	hsl(210, 61%, 45%)
HSV	hsv(210, 76%, 73%)
CMYK	cmyk(75.9%, 38%, 0%, 26.7%)
CIE-LAB	lab(47.80, 2.77, -43.64)
CIE-LCH	lch(47.80, 43.73, 273.64°)
OKLab	oklab(55% -0.0416 -0.1244)
OKLCH	oklch(55% 0.131 251.5)
XYZ	xyz(16.2938, 16.6346, 49.3561)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D74BB #BB742D

analogous

#2DBBBB #2D74BB #2D2DBB

triadic

#2D74BB #BB2D74 #74BB2D

tetradic

#2D74BB #BB2DBB #BB742D #2DBB2D

square

#2D74BB #BB2DBB #BB742D #2DBB2D

split-complementary

#2D74BB #BB2D2D #BBBB2D

monochromatic

#153758 #21558A #2D74BB #5093D5 #82B1E1

Accessibility & contrast

On white

4.85

#2D74BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#2D74BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D74BB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D74BB	#FFFFFF	#000000	##FFFFFF
##2D74BB	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BE

Deuteranopia (green-blind)

#3D6BBA

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2d74bb;
/* rgb */ color: rgb(45, 116, 187);
/* oklch */ color: oklch(55.0% 0.131 251.5);

Tailwind

colors: {
  custom: {
    50: '#7a9bd0',
    500: '#2d74bb',
    950: '#000000',
  },
}

SCSS

$custom: #2d74bb;
$custom-light: #7a9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d74bb",
  "rgb": {
    "r": 45,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 210,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54999,
    "c": 0.13119,
    "h": 251.5
  },
  "luminance": 0.16637
}

Semantic roles & 50–950 ramp

primary

#2D74BB

secondary

#CAA27A

accent

#9443E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2D74BB

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

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