#839BEF
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.6% 0.126 270.8), rgb(131, 155, 239).
Aa
Black text reads best on this color (7.89:1).
About this color
#839BEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.126 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.025 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #839BEF |
| RGB | rgb(131, 155, 239) |
| HSL | hsl(227, 77%, 73%) |
| OKLCH | oklch(70.6% 0.126 270.8) |
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 #839BEF | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #839BEF | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #839BEF text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #839BEF text on black | 7.89:1 | AAA | Lc -50.3 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#ADBFF4
oklch(81% 0.078 270)
-
Step 400
400 (this color)
#839BEF
oklch(70.6% 0.126 270.8)
-
Step 500
500
#6680EA
oklch(63.1% 0.161 270.8)
-
Step 600
600
#4F67D8
oklch(55.6% 0.175 270.7)
-
Step 700
700
#4055BC
oklch(49.2% 0.163 270.6)
-
Step 800
800
#354698
oklch(42.8% 0.135 270.8)
-
Step 900
900
#2D3C79
oklch(37.8% 0.105 270.3)
-
Step 950
950
#1B2347
oklch(27% 0.068 271.8)
#839BEF 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) | #7CA4F2 | 0.023 |
| Deuteranopia (no green cones) | #729AED | 0.021 |
| Tritanopia (no blue cones) | #5BACBA | 0.112 |
| Achromatopsia (no color) | #9F9F9F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839BEF
#839BEF
oklch(70.6% 0.126 270.8)
- #BE9C33
#BE9C33
oklch(70.5% 0.126 90.3)
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 #839BEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.025
- Perrywinkle #8F8CE7 ΔE 0.039
- Cornflower Blue #6495ED ΔE 0.041
- Lavender Blue #8B88F8 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.065
- Soft Blue #6488EA ΔE 0.066
- Periwinkle #8E82FE ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.077
Use #839BEF 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.