#2A7DB0#2A7DB0

#2A7DB0 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.111 H 240.3°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#2A7DB0
RGB	rgb(42, 125, 176)
HSL	hsl(203, 61%, 43%)
HSV	hsv(203, 76%, 69%)
CMYK	cmyk(76.1%, 29%, 0%, 31%)
CIE-LAB	lab(49.85, -7.05, -34.05)
CIE-LCH	lch(49.85, 34.77, 258.30°)
OKLab	oklab(56.41% -0.0549 -0.0963)
OKLCH	oklch(56.41% 0.111 240.3)
XYZ	xyz(16.1219, 18.2922, 43.7469)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7DB0 #B05D2A

analogous

#2AB0A0 #2A7DB0 #2A3AB0

triadic

#2A7DB0 #B02A7D #7DB02A

tetradic

#2A7DB0 #A02AB0 #B05D2A #3AB02A

square

#2A7DB0 #A02AB0 #B05D2A #3AB02A

split-complementary

#2A7DB0 #B02A3A #B0A02A

monochromatic

#12374D #1E5A7F #2A7DB0 #459DD3 #76B7DE

Accessibility & contrast

On white

4.51

#2A7DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#2A7DB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7DB0

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7DB0	#FFFFFF	#000000	##000000
##2A7DB0	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657EB2

Deuteranopia (green-blind)

#5371AF

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2a7db0;
/* rgb */ color: rgb(42, 125, 176);
/* oklch */ color: oklch(56.4% 0.111 240.3);

Tailwind

colors: {
  custom: {
    50: '#77a2c8',
    500: '#2a7db0',
    950: '#000000',
  },
}

SCSS

$custom: #2a7db0;
$custom-light: #77a2c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7db0",
  "rgb": {
    "r": 42,
    "g": 125,
    "b": 176
  },
  "hsl": {
    "h": 202.836,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.56408,
    "c": 0.11084,
    "h": 240.3
  },
  "luminance": 0.18294
}

Semantic roles & 50–950 ramp

primary

#2A7DB0

secondary

#C69170

accent

#8143E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #2A7DB0

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

Preview Lab → · Contrast checker → · Palette generator →