#1958B4#1958B4

#1958B4 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.159 H 258.8°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#1958B4
RGB	rgb(25, 88, 180)
HSL	hsl(216, 76%, 40%)
HSV	hsv(216, 86%, 71%)
CMYK	cmyk(86.1%, 51.1%, 0%, 29.4%)
CIE-LAB	lab(38.69, 15.97, -54.19)
CIE-LCH	lch(38.69, 56.49, 286.42°)
OKLab	oklab(47.66% -0.031 -0.1562)
OKLCH	oklch(47.66% 0.159 258.8)
XYZ	xyz(12.1258, 10.4799, 44.5549)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1958B4 #B47519

analogous

#19A5B4 #1958B4 #2719B4

triadic

#1958B4 #B41958 #58B419

tetradic

#1958B4 #B419A5 #B47519 #19B427

square

#1958B4 #B419A5 #B47519 #19B427

split-complementary

#1958B4 #B42719 #A5B419

monochromatic

#0A2349 #123E7E #1958B4 #2974E1 #5F97E9

Accessibility & contrast

On white

6.78

#1958B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1958B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1958B4

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1958B4	#FFFFFF	#000000	##FFFFFF
##1958B4	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B62B7

Deuteranopia (green-blind)

#0055B2

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1958b4;
/* rgb */ color: rgb(25, 88, 180);
/* oklch */ color: oklch(47.7% 0.159 258.8);

Tailwind

colors: {
  custom: {
    50: '#7386cb',
    500: '#1958b4',
    950: '#000000',
  },
}

SCSS

$custom: #1958b4;
$custom-light: #7386cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1958b4",
  "rgb": {
    "r": 25,
    "g": 88,
    "b": 180
  },
  "hsl": {
    "h": 215.613,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47656,
    "c": 0.15923,
    "h": 258.8
  },
  "luminance": 0.10481
}

Semantic roles & 50–950 ramp

primary

#1958B4

secondary

#CD9F5C

accent

#A636F2

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1958B4

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

Preview Lab → · Contrast checker → · Palette generator →