#1958B3#1958B3

#1958B3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.158 H 258.6°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#1958B3
RGB	rgb(25, 88, 179)
HSL	hsl(215, 75%, 40%)
HSV	hsv(215, 86%, 70%)
CMYK	cmyk(86%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(38.62, 15.57, -53.71)
CIE-LCH	lch(38.62, 55.93, 286.17°)
OKLab	oklab(47.58% -0.0311 -0.1548)
OKLCH	oklch(47.58% 0.158 258.6)
XYZ	xyz(12.0243, 10.4393, 44.0203)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1958B3 #B37419

analogous

#19A5B3 #1958B3 #2719B3

triadic

#1958B3 #B31958 #58B319

tetradic

#1958B3 #B319A5 #B37419 #19B327

square

#1958B3 #B319A5 #B37419 #19B327

split-complementary

#1958B3 #B32719 #A5B319

monochromatic

#0A2348 #123E7D #1958B3 #2874E1 #5E97E8

Accessibility & contrast

On white

6.80

#1958B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#1958B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1958B3

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1958B3	#FFFFFF	#000000	##FFFFFF
##1958B3	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C62B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1958b3;
/* rgb */ color: rgb(25, 88, 179);
/* oklch */ color: oklch(47.6% 0.158 258.6);

Tailwind

colors: {
  custom: {
    50: '#7386ca',
    500: '#1958b3',
    950: '#000000',
  },
}

SCSS

$custom: #1958b3;
$custom-light: #7386ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1958b3",
  "rgb": {
    "r": 25,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 215.455,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.47579,
    "c": 0.15789,
    "h": 258.6
  },
  "luminance": 0.10441
}

Semantic roles & 50–950 ramp

primary

#1958B3

secondary

#CC9E5B

accent

#A536F2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1958B3

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

Preview Lab → · Contrast checker → · Palette generator →