#309BC1

Closest named color: Faded Blue (#658CBB). oklch(64.6% 0.109 226.5), rgb(48, 155, 193).

Black text reads best on this color (6.58:1).

About this color

#309BC1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.109 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.054 away. Black text reads best on it, at 6.58:1.

Hue family	Teals and cyans
Lightness	medium-light (65%)
Chroma	moderately saturated (0.109)
Temperature	cool
Nearest name	Faded Blue (#658CBB)
Black text	6.58:1
White text	3.18:1

Values

HEX	#309BC1
RGB	rgb(48, 155, 193)
HSL	hsl(196, 60%, 47%)
OKLCH	oklch(64.6% 0.109 226.5)

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 #309BC1	3.18:1	AA large text	Lc -64.1	Content text, not long reading
Black text on #309BC1	6.58:1	AA	Lc 45.4	Large or bold text, headings
#309BC1 text on white	3.18:1	AA large text	Lc 58.7	Large or bold text, headings
#309BC1 text on black	6.58:1	AA	Lc -43.0	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 500.

Step 50
50

#F1F6F9

oklch(97% 0.007 233.6)
Step 100
100

#E0ECF2

oklch(93.6% 0.015 229)
Step 200
200

#C6DEE8

oklch(88.6% 0.029 224.7)
Step 300
300

#9DC8DB

oklch(80.8% 0.053 226.7)
Step 400
400

#62ACCA

oklch(70.8% 0.086 226.3)
Step 500
500 (this color)

#309BC1

oklch(64.6% 0.109 226.5)
Step 600
600

#007FA3

oklch(55.6% 0.107 226.4)
Step 700
700

#006B8A

oklch(49.2% 0.095 226.5)
Step 800
800

#005771

oklch(42.6% 0.082 226.6)
Step 900
900

#03495E

oklch(37.8% 0.071 225.5)
Step 950
950

#082B37

oklch(27.1% 0.045 225.2)

Export this scale for Tailwind in the Tailwind colors tool

#309BC1 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)	#8698C3	0.081
Deuteranopia (no green cones)	#738AC1	0.071
Tritanopia (no blue cones)	#00A6A7	0.060
Achromatopsia (no color)	#909090	0.109