#839BFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.2% 0.143 271.7), rgb(131, 155, 251).
Aa
Black text reads best on this color (8.04:1).
About this color
#839BFB is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.143 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.015 away. Black text reads best on it, at 8.04:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.04:1 |
| White text | 2.60:1 |
Values
| HEX | #839BFB |
| RGB | rgb(131, 155, 251) |
| HSL | hsl(228, 94%, 75%) |
| OKLCH | oklch(71.2% 0.143 271.7) |
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 #839BFB | 2.60:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #839BFB | 8.04:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #839BFB text on white | 2.60:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #839BFB text on black | 8.04:1 | AAA | Lc -51.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ACBEFB
oklch(81% 0.089 271.6)
-
Step 400
400 (this color)
#839BFB
oklch(71.2% 0.143 271.7)
-
Step 500
500
#647DF6
oklch(63.2% 0.182 271.5)
-
Step 600
600
#4E62E5
oklch(55.6% 0.198 271.8)
-
Step 700
700
#4050C7
oklch(49.1% 0.184 271.9)
-
Step 800
800
#3442A1
oklch(42.6% 0.153 271.9)
-
Step 900
900
#2D3980
oklch(37.7% 0.12 272.1)
-
Step 950
950
#1A224B
oklch(27% 0.076 272.1)
#839BFB 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) | #76A6FF | 0.030 |
| Deuteranopia (no green cones) | #6A9BF9 | 0.029 |
| Tritanopia (no blue cones) | #53AFBF | 0.127 |
| Achromatopsia (no color) | #A0A0A0 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839BFB
#839BFB
oklch(71.2% 0.143 271.7)
- #C39E10
#C39E10
oklch(71.3% 0.143 91.5)
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 #839BFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.015
- Perrywinkle #8F8CE7 ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.047
- Periwinkle #8E82FE ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.068
- Soft Blue #6488EA ΔE 0.068
- Carolina Blue #8AB8FE ΔE 0.077
Use #839BFB 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.