#2A7BB1#2A7BB1

#2A7BB1 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.114 H 242.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#2A7BB1
RGB	rgb(42, 123, 177)
HSL	hsl(204, 62%, 43%)
HSV	hsv(204, 76%, 69%)
CMYK	cmyk(76.3%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(49.29, -5.51, -35.50)
CIE-LCH	lch(49.29, 35.93, 261.17°)
OKLab	oklab(55.98% -0.0526 -0.1005)
OKLCH	oklch(55.98% 0.114 242.4)
XYZ	xyz(15.9705, 17.8306, 44.1864)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A7BB1 #B1602A

analogous

#2AB1A3 #2A7BB1 #2A37B1

triadic

#2A7BB1 #B12A7B #7BB12A

tetradic

#2A7BB1 #A32AB1 #B1602A #37B12A

square

#2A7BB1 #A32AB1 #B1602A #37B12A

split-complementary

#2A7BB1 #B12A37 #B1A32A

monochromatic

#13364E #1E5980 #2A7BB1 #459AD3 #77B5DF

Accessibility & contrast

On white

4.60

#2A7BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#2A7BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2A7BB1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A7BB1	#FFFFFF	#000000	##FFFFFF
##2A7BB1	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627CB3

Deuteranopia (green-blind)

#4F70B0

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2a7bb1;
/* rgb */ color: rgb(42, 123, 177);
/* oklch */ color: oklch(56.0% 0.114 242.4);

Tailwind

colors: {
  custom: {
    50: '#77a1c8',
    500: '#2a7bb1',
    950: '#000000',
  },
}

SCSS

$custom: #2a7bb1;
$custom-light: #77a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a7bb1",
  "rgb": {
    "r": 42,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 204,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55982,
    "c": 0.1135,
    "h": 242.4
  },
  "luminance": 0.17832
}

Semantic roles & 50–950 ramp

primary

#2A7BB1

secondary

#C69370

accent

#8443E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2A7BB1

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

Preview Lab → · Contrast checker → · Palette generator →