#548FC4

Closest named color: Faded Blue (#658CBB). oklch(63.2% 0.101 247.2), rgb(84, 143, 196).

Black text reads best on this color (6.10:1).

About this color

#548FC4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.101 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.021 away. Black text reads best on it, at 6.10:1.

Hue family	Blues
Lightness	medium-light (63%)
Chroma	moderately saturated (0.101)
Temperature	cool
Nearest name	Faded Blue (#658CBB)
Black text	6.10:1
White text	3.44:1

Values

HEX	#548FC4
RGB	rgb(84, 143, 196)
HSL	hsl(208, 49%, 55%)
OKLCH	oklch(63.2% 0.101 247.2)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

Pair	WCAG 2	Result	APCA	APCA guidance
White text on #548FC4	3.44:1	AA large text	Lc -67.2	Content text, not long reading
Black text on #548FC4	6.10:1	AA	Lc 42.3	Non-text elements, placeholder text
#548FC4 text on white	3.44:1	AA large text	Lc 61.8	Content text, not long reading
#548FC4 text on black	6.10:1	AA	Lc -39.9	Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

Step 50
50

#F2F6FA

oklch(97.1% 0.007 247.9)
Step 100
100

#E3EBF3

oklch(93.6% 0.014 248)
Step 200
200

#CBDBEB

oklch(88.4% 0.028 248.1)
Step 300
300

#A8C4E0

oklch(80.9% 0.05 248.4)
Step 400
400

#78A6D0

oklch(70.8% 0.079 246.7)
Step 500
500 (this color)

#548FC4

oklch(63.2% 0.101 247.2)
Step 600
600

#3678B0

oklch(55.6% 0.11 247.1)
Step 700
700

#286597

oklch(49.2% 0.102 246.7)
Step 800
800

#23527B

oklch(42.6% 0.085 247.7)
Step 900
900

#224463

oklch(37.6% 0.067 248)
Step 950
950

#15283A

oklch(27% 0.042 248.4)

Export this scale for Tailwind in the Tailwind colors tool

#548FC4 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

Vision	Seen as	Shift (ΔE)
Protanopia (no red cones)	#7990C6	0.043
Deuteranopia (no green cones)	#6A85C3	0.034
Tritanopia (no blue cones)	#009CA1	0.086
Achromatopsia (no color)	#8A8A8A	0.101