#AECDE9

Closest named color: Light Blue Grey (#B7C9E2). oklch(83.5% 0.052 245.7), rgb(174, 205, 233).

Black text reads best on this color (12.70:1).

About this color

#AECDE9 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.052 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.015 away. Black text reads best on it, at 12.70:1.

Hue family	Blues
Lightness	light (83%)
Chroma	muted (0.052)
Temperature	cool
Nearest name	Light Blue Grey (#B7C9E2)
Black text	12.70:1
White text	1.65:1

Values

HEX	#AECDE9
RGB	rgb(174, 205, 233)
HSL	hsl(208, 57%, 80%)
OKLCH	oklch(83.5% 0.052 245.7)

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 #AECDE9	1.65:1	Fails	Lc -32.5	Non-text elements, placeholder text
Black text on #AECDE9	12.70:1	AAA	Lc 75.0	Content text, not long reading
#AECDE9 text on white	1.65:1	Fails	Lc 28.8	Dividers and decoration only
#AECDE9 text on black	12.70:1	AAA	Lc -74.0	Content text, not long reading

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 300.

Step 50
50

#F2F6FA

oklch(97.1% 0.007 247.9)
Step 100
100

#E2EBF3

oklch(93.6% 0.015 244.7)
Step 200
200

#CADCEB

oklch(88.6% 0.028 243.1)
Step 300
300 (this color)

#AECDE9

oklch(83.5% 0.052 245.7)
Step 400
400

#75A6D1

oklch(70.7% 0.082 245.8)
Step 500
500

#4F8FC5

oklch(63% 0.105 246)
Step 600
600

#2F79B2

oklch(55.7% 0.114 245.4)
Step 700
700

#216599

oklch(49.1% 0.107 245.9)
Step 800
800

#1E537C

oklch(42.8% 0.088 245.5)
Step 900
900

#1F4564

oklch(37.8% 0.069 245.7)
Step 950
950

#13283A

oklch(26.9% 0.043 246.2)

Export this scale for Tailwind in the Tailwind colors tool

#AECDE9 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)	#C2CDEA	0.025
Deuteranopia (no green cones)	#BBC6E8	0.023
Tritanopia (no blue cones)	#9DD4D6	0.043
Achromatopsia (no color)	#C9C9C9	0.052