#2A7DB2#2A7DB2

#2A7DB2 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.113 H 241.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A7DB2
RGB	rgb(42, 125, 178)
HSL	hsl(203, 62%, 43%)
HSV	hsv(203, 76%, 70%)
CMYK	cmyk(76.4%, 29.8%, 0%, 30.2%)
CIE-LAB	lab(49.94, -6.33, -35.05)
CIE-LCH	lch(49.94, 35.62, 259.76°)
OKLab	oklab(56.52% -0.0542 -0.0992)
OKLCH	oklch(56.52% 0.113 241.3)
XYZ	xyz(16.3212, 18.3719, 44.7968)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7DB2 #B25F2A

analogous

#2AB2A3 #2A7DB2 #2A39B2

triadic

#2A7DB2 #B22A7D #7DB22A

tetradic

#2A7DB2 #A32AB2 #B25F2A #39B22A

square

#2A7DB2 #A32AB2 #B25F2A #39B22A

split-complementary

#2A7DB2 #B22A39 #B2A32A

monochromatic

#13374F #1E5A80 #2A7DB2 #469CD3 #77B7DF

Accessibility & contrast

On white

4.49

#2A7DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#2A7DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7DB2

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7DB2	#FFFFFF	#000000	##000000
##2A7DB2	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647EB4

Deuteranopia (green-blind)

#5271B1

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2a7db2;
/* rgb */ color: rgb(42, 125, 178);
/* oklch */ color: oklch(56.5% 0.113 241.3);

Tailwind

colors: {
  custom: {
    50: '#77a2c9',
    500: '#2a7db2',
    950: '#000000',
  },
}

SCSS

$custom: #2a7db2;
$custom-light: #77a2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7db2",
  "rgb": {
    "r": 42,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 203.382,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56516,
    "c": 0.11308,
    "h": 241.3
  },
  "luminance": 0.18374
}

Semantic roles & 50–950 ramp

primary

#2A7DB2

secondary

#C79271

accent

#8243E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #2A7DB2

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

Preview Lab → · Contrast checker → · Palette generator →