#8CA3DD
Closest named color: Periwinkle Blue (#8F99FB). oklch(72% 0.089 267.5), rgb(140, 163, 221).
Aa
Black text reads best on this color (8.39:1).
About this color
#8CA3DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.089 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.057 away. Black text reads best on it, at 8.39:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #8CA3DD |
| RGB | rgb(140, 163, 221) |
| HSL | hsl(223, 54%, 71%) |
| OKLCH | oklch(72% 0.089 267.5) |
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 #8CA3DD | 2.50:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #8CA3DD | 8.39:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #8CA3DD text on white | 2.50:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #8CA3DD text on black | 8.39:1 | AAA | Lc -52.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B1C0E5
oklch(80.9% 0.055 267.8)
-
Step 400
400 (this color)
#8CA3DD
oklch(72% 0.089 267.5)
-
Step 500
500
#6B86CE
oklch(63% 0.113 267.5)
-
Step 600
600
#536FBB
oklch(55.6% 0.123 267.1)
-
Step 700
700
#445CA2
oklch(49.1% 0.116 267.8)
-
Step 800
800
#384C83
oklch(42.8% 0.095 267.3)
-
Step 900
900
#303F69
oklch(37.6% 0.075 267.8)
-
Step 950
950
#1C253D
oklch(26.9% 0.047 267.6)
#8CA3DD 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) | #90A8E0 | 0.015 |
| Deuteranopia (no green cones) | #88A1DC | 0.008 |
| Tritanopia (no blue cones) | #73AFB7 | 0.080 |
| Achromatopsia (no color) | #A4A4A4 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8CA3DD
#8CA3DD
oklch(72% 0.089 267.5)
- #BCA161
#BCA161
oklch(71.9% 0.089 87.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #8CA3DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.066
- Greyblue #77A1B5 ΔE 0.067
- Cool Steel #97A7B3 ΔE 0.068
- Cool Gray #8D99AE ΔE 0.068
Use #8CA3DD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.