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Colour

#238FCB

  • #238FCB
  • Blue
  • Dark
  • Nearest: Steel blue

#238FCB is a blue with RGB values 35, 143, 203 and HSL 201°, 71%, 47%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#238FCB#238FCB
HEX#238FCB
RGBrgb(35, 143, 203)
RGB (0–1)0.1373, 0.5608, 0.7961
RGB percentages13.7%, 56.1%, 79.6%
HSLhsl(201.4, 70.6%, 46.7%)
HSV / HSBhsv(201.4, 82.8%, 79.6%)
CMYK82.8%, 29.6%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,330,571
CSS custom property--colour: #238FCB;

Brightness & contrast

Relative luminance0.24314WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.86:1
Contrast with white3.58:1WCAG normal text: Fail
Contrast with black5.86:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#DC7034

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7290CEno red cones; affects about 1% of men; ΔE 15.2 from the original
Deuteranopia#5C81CAno green cones; the most common form, about 1% of men; ΔE 17 from the original
Tritanopia#009EA4no blue cones; rare, and affects men and women equally; ΔE 35.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.58:1WCAG large text: AA
Contrast with black, large text5.86:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.1Deep skyblue · ΔE 18.9Cornflower blue · ΔE 21.1Light skyblue · ΔE 25.8Light slate grey · ΔE 28.8Slate grey · ΔE 29.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.12, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB5F23
Analogous#23CBB3, #233BCB
Triadic#CB238F, #8FCB23
Split complementary#CB233B, #CBB323
Tetradic#B323CB, #CB5F23, #3BCB23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5E4F5
Lighter +30%#9ACFED
Lighter +20%#6EBBE6
Lighter +10%#43A7DE
Darker −10%#1C709F
Darker −20%#145274
Darker −30%#0D3348
Darker −40%#05141D
More saturated +25%#0597E9
Less saturated −25%#4186AD

Channel breakdown

R35
G143
B203
Red35 (13.7%)
Green143 (56.1%)
Blue203 (79.6%)
Hue201.43°
Saturation (HSL)70.59%
Lightness46.67%
Dominant channelBlue
Hex per channelR 23 · G 8F · B CB

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Every value on this page was computed from “238fcb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.