#2A7BB4#2A7BB4

#2A7BB4 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.117 H 243.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A7BB4
RGB	rgb(42, 123, 180)
HSL	hsl(205, 62%, 44%)
HSV	hsv(205, 77%, 71%)
CMYK	cmyk(76.7%, 31.7%, 0%, 29.4%)
CIE-LAB	lab(49.44, -4.42, -37.01)
CIE-LCH	lch(49.44, 37.27, 263.19°)
OKLab	oklab(56.15% -0.0517 -0.1049)
OKLCH	oklch(56.15% 0.117 243.8)
XYZ	xyz(16.2728, 17.9515, 45.7785)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7BB4 #B4632A

analogous

#2AB4A8 #2A7BB4 #2A36B4

triadic

#2A7BB4 #B42A7B #7BB42A

tetradic

#2A7BB4 #A82AB4 #B4632A #36B42A

square

#2A7BB4 #A82AB4 #B4632A #36B42A

split-complementary

#2A7BB4 #B42A36 #B4A82A

monochromatic

#133751 #1E5982 #2A7BB4 #479AD4 #79B5E0

Accessibility & contrast

On white

4.57

#2A7BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#2A7BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7BB4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7BB4	#FFFFFF	#000000	##000000
##2A7BB4	1.00	4.57	4.59	4.59
#FFFFFF	4.57	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)

#617DB6

Deuteranopia (green-blind)

#4D70B3

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2a7bb4;
/* rgb */ color: rgb(42, 123, 180);
/* oklch */ color: oklch(56.1% 0.117 243.8);

Tailwind

colors: {
  custom: {
    50: '#78a0ca',
    500: '#2a7bb4',
    950: '#000000',
  },
}

SCSS

$custom: #2a7bb4;
$custom-light: #78a0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7bb4",
  "rgb": {
    "r": 42,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 204.783,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56147,
    "c": 0.11698,
    "h": 243.8
  },
  "luminance": 0.17953
}

Semantic roles & 50–950 ramp

primary

#2A7BB4

secondary

#C89572

accent

#8643E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A7BB4

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

Preview Lab → · Contrast checker → · Palette generator →