#839FEF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.4% 0.121 268.5), rgb(131, 159, 239).
Aa
Black text reads best on this color (8.17:1).
About this color
#839FEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.121 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.030 away. Black text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.17:1 |
| White text | 2.57:1 |
Values
| HEX | #839FEF |
| RGB | rgb(131, 159, 239) |
| HSL | hsl(224, 77%, 73%) |
| OKLCH | oklch(71.4% 0.121 268.5) |
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 #839FEF | 2.57:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #839FEF | 8.17:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #839FEF text on white | 2.57:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #839FEF text on black | 8.17:1 | AAA | Lc -51.7 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ACBFF3
oklch(80.8% 0.077 269)
-
Step 400
400 (this color)
#839FEF
oklch(71.4% 0.121 268.5)
-
Step 500
500
#6282E7
oklch(63.1% 0.156 268.4)
-
Step 600
600
#4B69D5
oklch(55.6% 0.169 268.7)
-
Step 700
700
#3C57B8
oklch(49.1% 0.156 268.4)
-
Step 800
800
#324895
oklch(42.8% 0.129 268.5)
-
Step 900
900
#2B3D77
oklch(37.7% 0.101 268.3)
-
Step 950
950
#192446
oklch(27% 0.065 268.3)
#839FEF 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) | #82A7F2 | 0.021 |
| Deuteranopia (no green cones) | #779DED | 0.016 |
| Tritanopia (no blue cones) | #5BB0BC | 0.109 |
| Achromatopsia (no color) | #A1A1A1 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839FEF
#839FEF
oklch(71.4% 0.121 268.5)
- #C29E3C
#C29E3C
oklch(71.4% 0.122 88.4)
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 #839FEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.030
- Cornflower Blue #6495ED ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.063
- Carolina Blue #8AB8FE ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.070
- Soft Blue #6488EA ΔE 0.075
- Periwinkle #8E82FE ΔE 0.081
Use #839FEF 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.