#2A7DB1#2A7DB1

#2A7DB1 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.112 H 240.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A7DB1
RGB	rgb(42, 125, 177)
HSL	hsl(203, 62%, 43%)
HSV	hsv(203, 76%, 69%)
CMYK	cmyk(76.3%, 29.4%, 0%, 30.6%)
CIE-LAB	lab(49.90, -6.69, -34.55)
CIE-LCH	lch(49.90, 35.19, 259.04°)
OKLab	oklab(56.46% -0.0546 -0.0978)
OKLCH	oklch(56.46% 0.112 240.8)
XYZ	xyz(16.2212, 18.3319, 44.2699)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7DB1 #B15E2A

analogous

#2AB1A1 #2A7DB1 #2A39B1

triadic

#2A7DB1 #B12A7D #7DB12A

tetradic

#2A7DB1 #A12AB1 #B15E2A #39B12A

square

#2A7DB1 #A12AB1 #B15E2A #39B12A

split-complementary

#2A7DB1 #B12A39 #B1A12A

monochromatic

#13374E #1E5A80 #2A7DB1 #459CD3 #77B7DF

Accessibility & contrast

On white

4.50

#2A7DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#2A7DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A7DB1

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7DB1	#FFFFFF	#000000	##000000
##2A7DB1	1.00	4.50	4.67	4.67
#FFFFFF	4.50	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)

#657EB3

Deuteranopia (green-blind)

#5271B0

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2a7db1;
/* rgb */ color: rgb(42, 125, 177);
/* oklch */ color: oklch(56.5% 0.112 240.8);

Tailwind

colors: {
  custom: {
    50: '#77a2c8',
    500: '#2a7db1',
    950: '#000000',
  },
}

SCSS

$custom: #2a7db1;
$custom-light: #77a2c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7db1",
  "rgb": {
    "r": 42,
    "g": 125,
    "b": 177
  },
  "hsl": {
    "h": 203.111,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56462,
    "c": 0.11195,
    "h": 240.8
  },
  "luminance": 0.18334
}

Semantic roles & 50–950 ramp

primary

#2A7DB1

secondary

#C69270

accent

#8143E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #2A7DB1

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

Preview Lab → · Contrast checker → · Palette generator →