#2970B3#2970B3

#2970B3 is a mid, vivid cyan. Relative luminance 0.153; OKLCH L 53.5% C 0.126 H 250.4°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#2970B3
RGB	rgb(41, 112, 179)
HSL	hsl(209, 63%, 43%)
HSV	hsv(209, 77%, 70%)
CMYK	cmyk(77.1%, 37.4%, 0%, 29.8%)
CIE-LAB	lab(46.06, 1.75, -41.77)
CIE-LCH	lch(46.06, 41.81, 272.40°)
OKLab	oklab(53.46% -0.0423 -0.119)
OKLCH	oklch(53.46% 0.126 250.4)
XYZ	xyz(14.8422, 15.3127, 44.8125)
Luminance	0.1531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2970B3 #B36C29

analogous

#29B3B1 #2970B3 #292BB3

triadic

#2970B3 #B32970 #70B329

tetradic

#2970B3 #B129B3 #B36C29 #2BB329

square

#2970B3 #B129B3 #B36C29 #2BB329

split-complementary

#2970B3 #B3292B #B3B129

monochromatic

#12324F #1E5181 #2970B3 #458FD4 #77ADE0

Accessibility & contrast

On white

5.17

#2970B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#2970B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2970B3

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2970B3	#FFFFFF	#000000	##FFFFFF
##2970B3	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5174B6

Deuteranopia (green-blind)

#3C67B2

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2970b3;
/* rgb */ color: rgb(41, 112, 179);
/* oklch */ color: oklch(53.5% 0.126 250.4);

Tailwind

colors: {
  custom: {
    50: '#7798ca',
    500: '#2970b3',
    950: '#000000',
  },
}

SCSS

$custom: #2970b3;
$custom-light: #7798ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2970b3",
  "rgb": {
    "r": 41,
    "g": 112,
    "b": 179
  },
  "hsl": {
    "h": 209.13,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.53464,
    "c": 0.12632,
    "h": 250.4
  },
  "luminance": 0.15314
}

Semantic roles & 50–950 ramp

primary

#2970B3

secondary

#C79B70

accent

#9242E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2970B3

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

Preview Lab → · Contrast checker → · Palette generator →