#2358B3#2358B3

#2358B3 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.156 H 260.5°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#2358B3
RGB	rgb(35, 88, 179)
HSL	hsl(218, 67%, 42%)
HSV	hsv(218, 80%, 70%)
CMYK	cmyk(80.4%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(38.88, 16.46, -53.28)
CIE-LCH	lch(38.88, 55.76, 287.17°)
OKLab	oklab(47.85% -0.0257 -0.1534)
OKLCH	oklch(47.85% 0.156 260.5)
XYZ	xyz(12.3166, 10.5900, 44.0340)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2358B3 #B37E23

analogous

#23A0B3 #2358B3 #3623B3

triadic

#2358B3 #B32358 #58B323

tetradic

#2358B3 #B323A0 #B37E23 #23B336

square

#2358B3 #B323A0 #B37E23 #23B336

split-complementary

#2358B3 #B33623 #A0B323

monochromatic

#0F264D #193F80 #2358B3 #3B75D9 #6E99E3

Accessibility & contrast

On white

6.73

#2358B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2358B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2358B3

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2358B3	#FFFFFF	#000000	##FFFFFF
##2358B3	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E62B6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2358b3;
/* rgb */ color: rgb(35, 88, 179);
/* oklch */ color: oklch(47.9% 0.156 260.5);

Tailwind

colors: {
  custom: {
    50: '#7586ca',
    500: '#2358b3',
    950: '#000000',
  },
}

SCSS

$custom: #2358b3;
$custom-light: #7586ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2358b3",
  "rgb": {
    "r": 35,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 217.917,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47854,
    "c": 0.15552,
    "h": 260.5
  },
  "luminance": 0.10591
}

Semantic roles & 50–950 ramp

primary

#2358B3

secondary

#C9A669

accent

#AB3EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2358B3

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

Preview Lab → · Contrast checker → · Palette generator →