#2A7FB3#2A7FB3

#2A7FB3 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.113 H 240.3°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A7FB3
RGB	rgb(42, 127, 179)
HSL	hsl(203, 62%, 43%)
HSV	hsv(203, 77%, 70%)
CMYK	cmyk(76.5%, 29.1%, 0%, 29.8%)
CIE-LAB	lab(50.60, -7.14, -34.61)
CIE-LCH	lch(50.60, 35.33, 258.34°)
OKLab	oklab(57.05% -0.0558 -0.0979)
OKLCH	oklch(57.05% 0.113 240.3)
XYZ	xyz(16.6777, 18.9237, 45.4127)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7FB3 #B35E2A

analogous

#2AB3A2 #2A7FB3 #2A3AB3

triadic

#2A7FB3 #B32A7F #7FB32A

tetradic

#2A7FB3 #A22AB3 #B35E2A #3AB32A

square

#2A7FB3 #A22AB3 #B35E2A #3AB32A

split-complementary

#2A7FB3 #B32A3A #B3A22A

monochromatic

#133950 #1E5C81 #2A7FB3 #469ED4 #78B8DF

Accessibility & contrast

On white

4.39

#2A7FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#2A7FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7FB3

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7FB3	#FFFFFF	#000000	##000000
##2A7FB3	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B5

Deuteranopia (green-blind)

#5473B2

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2a7fb3;
/* rgb */ color: rgb(42, 127, 179);
/* oklch */ color: oklch(57.0% 0.113 240.3);

Tailwind

colors: {
  custom: {
    50: '#77a4ca',
    500: '#2a7fb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a7fb3;
$custom-light: #77a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7fb3",
  "rgb": {
    "r": 42,
    "g": 127,
    "b": 179
  },
  "hsl": {
    "h": 202.774,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.57049,
    "c": 0.11269,
    "h": 240.3
  },
  "luminance": 0.18926
}

Semantic roles & 50–950 ramp

primary

#2A7FB3

secondary

#C79272

accent

#8043E5

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2A7FB3

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

Preview Lab → · Contrast checker → · Palette generator →