#83A5EC
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.111 264.2), rgb(131, 165, 236).
Aa
Black text reads best on this color (8.55:1).
About this color
#83A5EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.111 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.044 away. Black text reads best on it, at 8.55:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #83A5EC |
| RGB | rgb(131, 165, 236) |
| HSL | hsl(221, 73%, 72%) |
| OKLCH | oklch(72.5% 0.111 264.2) |
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 #83A5EC | 2.45:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #83A5EC | 8.55:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #83A5EC text on white | 2.45:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #83A5EC text on black | 8.55:1 | AAA | Lc -53.8 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCD9F3
oklch(88.4% 0.039 264.4)
-
Step 300
300
#AAC1EE
oklch(80.9% 0.069 263.7)
-
Step 400
400 (this color)
#83A5EC
oklch(72.5% 0.111 264.2)
-
Step 500
500
#5D86DE
oklch(63.1% 0.141 264)
-
Step 600
600
#446ECC
oklch(55.7% 0.153 264)
-
Step 700
700
#365BB1
oklch(49.1% 0.143 264.3)
-
Step 800
800
#2D4B8F
oklch(42.7% 0.118 264.1)
-
Step 900
900
#283F72
oklch(37.7% 0.092 264.2)
-
Step 950
950
#182543
oklch(27% 0.059 265)
#83A5EC 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) | #8BABEF | 0.020 |
| Deuteranopia (no green cones) | #80A1EA | 0.012 |
| Tritanopia (no blue cones) | #5CB4BE | 0.099 |
| Achromatopsia (no color) | #A5A5A5 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83A5EC
#83A5EC
oklch(72.5% 0.111 264.2)
- #C7A04E
#C7A04E
oklch(72.5% 0.11 83.9)
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 #83A5EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.044
- Carolina Blue #8AB8FE ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.079
- Lavender Blue #8B88F8 ΔE 0.080
- Pastel Blue #A2BFFE ΔE 0.083
- Greyblue #77A1B5 ΔE 0.083
Use #83A5EC 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.