#4D7CA4

Closest named color: Stormy Blue (#507B9C). oklch(56.9% 0.081 245.5), rgb(77, 124, 164).

Black text reads best on this color (4.73:1).

About this color

#4D7CA4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.081 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.012 away. Black text reads best on it, at 4.73:1.

Hue family	Blues
Lightness	medium-dark (57%)
Chroma	moderately saturated (0.081)
Temperature	cool
Nearest name	Stormy Blue (#507B9C)
Black text	4.73:1
White text	4.43:1

Values

HEX	#4D7CA4
RGB	rgb(77, 124, 164)
HSL	hsl(208, 36%, 47%)
OKLCH	oklch(56.9% 0.081 245.5)

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 #4D7CA4	4.43:1	AA large text	Lc -76.1	Fine for body text
Black text on #4D7CA4	4.73:1	AA	Lc 33.4	Non-text elements, placeholder text
#4D7CA4 text on white	4.43:1	AA large text	Lc 70.7	Content text, not long reading
#4D7CA4 text on black	4.73:1	AA	Lc -31.0	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 600.

Step 50
50

#F3F6F9

oklch(97.2% 0.005 247.9)
Step 100
100

#E4EBF1

oklch(93.6% 0.011 243.7)
Step 200
200

#CFDBE6

oklch(88.6% 0.02 245.7)
Step 300
300

#AEC4D7

oklch(81% 0.036 244.3)
Step 400
400

#83A5C3

oklch(70.7% 0.058 245.4)
Step 500
500

#638EB4

oklch(63% 0.074 246)
Step 600
600 (this color)

#4D7CA4

oklch(56.9% 0.081 245.5)
Step 700
700

#3A6589

oklch(49.2% 0.075 245.4)
Step 800
800

#31526F

oklch(42.6% 0.062 246.4)
Step 900
900

#2B445A

oklch(37.6% 0.049 246.1)
Step 950
950

#1A2835

oklch(27% 0.031 247.2)

Export this scale for Tailwind in the Tailwind colors tool

#4D7CA4 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)	#6B7DA6	0.037
Deuteranopia (no green cones)	#6074A3	0.029
Tritanopia (no blue cones)	#1C868A	0.068
Achromatopsia (no color)	#787878	0.081