#2958B3#2958B3

#2958B3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.1% C 0.154 H 261.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#2958B3
RGB	rgb(41, 88, 179)
HSL	hsl(220, 63%, 43%)
HSV	hsv(220, 77%, 70%)
CMYK	cmyk(77.1%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(39.08, 17.12, -52.95)
CIE-LCH	lch(39.08, 55.65, 287.92°)
OKLab	oklab(48.06% -0.0217 -0.1523)
OKLCH	oklch(48.06% 0.154 261.9)
XYZ	xyz(12.5379, 10.7041, 44.0444)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2958B3 #B38429

analogous

#299DB3 #2958B3 #3F29B3

triadic

#2958B3 #B32958 #58B329

tetradic

#2958B3 #B3299D #B38429 #29B33F

square

#2958B3 #B3299D #B38429 #29B33F

split-complementary

#2958B3 #B33F29 #9DB329

monochromatic

#12274F #1E4081 #2958B3 #4576D4 #779AE0

Accessibility & contrast

On white

6.69

#2958B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2958B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2958B3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2958B3	#FFFFFF	#000000	##FFFFFF
##2958B3	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F63B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2958b3;
/* rgb */ color: rgb(41, 88, 179);
/* oklch */ color: oklch(48.1% 0.154 261.9);

Tailwind

colors: {
  custom: {
    50: '#7786ca',
    500: '#2958b3',
    950: '#000000',
  },
}

SCSS

$custom: #2958b3;
$custom-light: #7786ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2958b3",
  "rgb": {
    "r": 41,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 219.565,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48059,
    "c": 0.15388,
    "h": 261.9
  },
  "luminance": 0.10706
}

Semantic roles & 50–950 ramp

primary

#2958B3

secondary

#C7AA70

accent

#AE42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2958B3

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

Preview Lab → · Contrast checker → · Palette generator →