#297BB4#297BB4

#297BB4 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.117 H 243.6°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#297BB4
RGB	rgb(41, 123, 180)
HSL	hsl(205, 63%, 43%)
HSV	hsv(205, 77%, 71%)
CMYK	cmyk(77.2%, 31.7%, 0%, 29.4%)
CIE-LAB	lab(49.41, -4.54, -37.05)
CIE-LCH	lch(49.41, 37.33, 263.01°)
OKLab	oklab(56.12% -0.0522 -0.1051)
OKLCH	oklch(56.12% 0.117 243.6)
XYZ	xyz(16.2324, 17.9307, 45.7766)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#297BB4 #B46229

analogous

#29B4A7 #297BB4 #2936B4

triadic

#297BB4 #B4297B #7BB429

tetradic

#297BB4 #A729B4 #B46229 #36B429

square

#297BB4 #A729B4 #B46229 #36B429

split-complementary

#297BB4 #B42936 #B4A729

monochromatic

#123750 #1E5982 #297BB4 #459AD5 #77B5E0

Accessibility & contrast

On white

4.58

#297BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#297BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #297BB4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##297BB4	#FFFFFF	#000000	##000000
##297BB4	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617DB6

Deuteranopia (green-blind)

#4D70B3

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #297bb4;
/* rgb */ color: rgb(41, 123, 180);
/* oklch */ color: oklch(56.1% 0.117 243.6);

Tailwind

colors: {
  custom: {
    50: '#77a0ca',
    500: '#297bb4',
    950: '#000000',
  },
}

SCSS

$custom: #297bb4;
$custom-light: #77a0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#297bb4",
  "rgb": {
    "r": 41,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 204.604,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56119,
    "c": 0.11732,
    "h": 243.6
  },
  "luminance": 0.17933
}

Semantic roles & 50–950 ramp

primary

#297BB4

secondary

#C89571

accent

#8542E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #297BB4

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

Preview Lab → · Contrast checker → · Palette generator →