#83A5EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.7% 0.115 264.8), rgb(131, 165, 239).
Aa
Black text reads best on this color (8.59:1).
About this color
#83A5EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.115 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.041 away. Black text reads best on it, at 8.59:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.59:1 |
| White text | 2.44:1 |
Values
| HEX | #83A5EF |
| RGB | rgb(131, 165, 239) |
| HSL | hsl(221, 77%, 73%) |
| OKLCH | oklch(72.7% 0.115 264.8) |
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 #83A5EF | 2.44:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #83A5EF | 8.59:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #83A5EF text on white | 2.44:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #83A5EF text on black | 8.59:1 | AAA | Lc -54.0 | 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
#CCD9F4
oklch(88.4% 0.04 265.1)
-
Step 300
300
#AAC1F0
oklch(81% 0.071 264.4)
-
Step 400
400 (this color)
#83A5EF
oklch(72.7% 0.115 264.8)
-
Step 500
500
#5D85E2
oklch(63.1% 0.147 265)
-
Step 600
600
#446DCF
oklch(55.7% 0.158 264.7)
-
Step 700
700
#365AB4
oklch(49.1% 0.149 265)
-
Step 800
800
#2D4A91
oklch(42.7% 0.122 265)
-
Step 900
900
#283F74
oklch(37.8% 0.095 264.6)
-
Step 950
950
#182544
oklch(27% 0.061 265.4)
#83A5EF 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) | #8AABF2 | 0.019 |
| Deuteranopia (no green cones) | #7EA1ED | 0.013 |
| Tritanopia (no blue cones) | #5AB5BF | 0.104 |
| Achromatopsia (no color) | #A6A6A6 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83A5EF
#83A5EF
oklch(72.7% 0.115 264.8)
- #C8A14A
#C8A14A
oklch(72.8% 0.115 85)
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 #83A5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.041
- Carolina Blue #8AB8FE ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.078
- Chefchaouen Blue #4895EF ΔE 0.079
- Pastel Blue #A2BFFE ΔE 0.082
- Pale Purple #B790D4 ΔE 0.086
Use #83A5EF 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.