#8CA4DB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.1% 0.085 266.1), rgb(140, 164, 219).
Aa
Black text reads best on this color (8.44:1).
About this color
#8CA4DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.085 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.062 away. Black text reads best on it, at 8.44:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.44:1 |
| White text | 2.48:1 |
Values
| HEX | #8CA4DB |
| RGB | rgb(140, 164, 219) |
| HSL | hsl(222, 52%, 70%) |
| OKLCH | oklch(72.1% 0.085 266.1) |
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 #8CA4DB | 2.48:1 | Fails | Lc -53.8 | Large or bold text, headings |
| Black text on #8CA4DB | 8.44:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #8CA4DB text on white | 2.48:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #8CA4DB text on black | 8.44:1 | AAA | Lc -53.2 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B1C1E4
oklch(81% 0.053 265.8)
-
Step 400
400 (this color)
#8CA4DB
oklch(72.1% 0.085 266.1)
-
Step 500
500
#6B87CB
oklch(63.1% 0.108 266.3)
-
Step 600
600
#5370B8
oklch(55.6% 0.117 266.1)
-
Step 700
700
#435D9F
oklch(49% 0.111 266.2)
-
Step 800
800
#374C81
oklch(42.6% 0.092 266.3)
-
Step 900
900
#304067
oklch(37.7% 0.07 266.2)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#8CA4DB 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) | #92A8DD | 0.014 |
| Deuteranopia (no green cones) | #8AA1DA | 0.009 |
| Tritanopia (no blue cones) | #74AFB7 | 0.076 |
| Achromatopsia (no color) | #A4A4A4 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8CA4DB
#8CA4DB
oklch(72.1% 0.085 266.1)
- #BDA165
#BDA165
oklch(72% 0.085 85.3)
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 #8CA4DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.062
- Bluey Grey #89A0B0 ΔE 0.063
- Cool Steel #97A7B3 ΔE 0.063
- Carolina Blue #8AB8FE ΔE 0.064
- Greyblue #77A1B5 ΔE 0.064
- Cool Gray #8D99AE ΔE 0.065
- Perrywinkle #8F8CE7 ΔE 0.070
Use #8CA4DB 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.