#2A7BB8#2A7BB8

#2A7BB8 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.122 H 245.5°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A7BB8
RGB	rgb(42, 123, 184)
HSL	hsl(206, 63%, 44%)
HSV	hsv(206, 77%, 72%)
CMYK	cmyk(77.2%, 33.2%, 0%, 27.8%)
CIE-LAB	lab(49.64, -2.95, -39.00)
CIE-LCH	lch(49.64, 39.11, 265.67°)
OKLab	oklab(56.37% -0.0505 -0.1107)
OKLCH	oklch(56.37% 0.122 245.5)
XYZ	xyz(16.6862, 18.1169, 47.9556)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7BB8 #B8672A

analogous

#2AB8AE #2A7BB8 #2A34B8

triadic

#2A7BB8 #B82A7B #7BB82A

tetradic

#2A7BB8 #AE2AB8 #B8672A #34B82A

square

#2A7BB8 #AE2AB8 #B8672A #34B82A

split-complementary

#2A7BB8 #B82A34 #B8AE2A

monochromatic

#133854 #1F5A86 #2A7BB8 #4A99D6 #7BB5E1

Accessibility & contrast

On white

4.54

#2A7BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#2A7BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7BB8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7BB8	#FFFFFF	#000000	##000000
##2A7BB8	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7DBB

Deuteranopia (green-blind)

#4B70B7

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2a7bb8;
/* rgb */ color: rgb(42, 123, 184);
/* oklch */ color: oklch(56.4% 0.122 245.5);

Tailwind

colors: {
  custom: {
    50: '#78a0cd',
    500: '#2a7bb8',
    950: '#000000',
  },
}

SCSS

$custom: #2a7bb8;
$custom-light: #78a0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7bb8",
  "rgb": {
    "r": 42,
    "g": 123,
    "b": 184
  },
  "hsl": {
    "h": 205.775,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5637,
    "c": 0.12172,
    "h": 245.5
  },
  "luminance": 0.18119
}

Semantic roles & 50–950 ramp

primary

#2A7BB8

secondary

#C99975

accent

#8842E6

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A7BB8

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

Preview Lab → · Contrast checker → · Palette generator →