#2A7DB3#2A7DB3

#2A7DB3 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.114 H 241.8°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#2A7DB3
RGB	rgb(42, 125, 179)
HSL	hsl(204, 62%, 43%)
HSV	hsv(204, 77%, 70%)
CMYK	cmyk(76.5%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(49.99, -5.97, -35.56)
CIE-LCH	lch(49.99, 36.05, 260.47°)
OKLab	oklab(56.57% -0.0539 -0.1007)
OKLCH	oklch(56.57% 0.114 241.8)
XYZ	xyz(16.4220, 18.4122, 45.3275)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7DB3 #B3602A

analogous

#2AB3A4 #2A7DB3 #2A38B3

triadic

#2A7DB3 #B32A7D #7DB32A

tetradic

#2A7DB3 #A42AB3 #B3602A #38B32A

square

#2A7DB3 #A42AB3 #B3602A #38B32A

split-complementary

#2A7DB3 #B32A38 #B3A42A

monochromatic

#133850 #1E5A81 #2A7DB3 #469CD4 #78B7DF

Accessibility & contrast

On white

4.48

#2A7DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#2A7DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7DB3

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7DB3	#FFFFFF	#000000	##000000
##2A7DB3	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647EB5

Deuteranopia (green-blind)

#5171B2

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2a7db3;
/* rgb */ color: rgb(42, 125, 179);
/* oklch */ color: oklch(56.6% 0.114 241.8);

Tailwind

colors: {
  custom: {
    50: '#77a2ca',
    500: '#2a7db3',
    950: '#000000',
  },
}

SCSS

$custom: #2a7db3;
$custom-light: #77a2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7db3",
  "rgb": {
    "r": 42,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 203.65,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5657,
    "c": 0.11421,
    "h": 241.8
  },
  "luminance": 0.18414
}

Semantic roles & 50–950 ramp

primary

#2A7DB3

secondary

#C79372

accent

#8343E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #2A7DB3

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

Preview Lab → · Contrast checker → · Palette generator →