#799FFF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.6% 0.147 266.4), rgb(121, 159, 255).
Aa
Black text reads best on this color (8.21:1).
About this color
#799FFF is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.147 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.029 away. Black text reads best on it, at 8.21:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.21:1 |
| White text | 2.55:1 |
Values
| HEX | #799FFF |
| RGB | rgb(121, 159, 255) |
| HSL | hsl(223, 100%, 74%) |
| OKLCH | oklch(71.6% 0.147 266.4) |
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 #799FFF | 2.55:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #799FFF | 8.21:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #799FFF text on white | 2.55:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #799FFF text on black | 8.21:1 | AAA | Lc -52.1 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A5C0FD
oklch(81% 0.092 265.9)
-
Step 400
400 (this color)
#799FFF
oklch(71.6% 0.147 266.4)
-
Step 500
500
#5580F9
oklch(63.2% 0.187 266.4)
-
Step 600
600
#3C65E8
oklch(55.5% 0.204 266.5)
-
Step 700
700
#2F53CA
oklch(49.1% 0.189 266.4)
-
Step 800
800
#2745A3
oklch(42.7% 0.156 266.3)
-
Step 900
900
#233B81
oklch(37.6% 0.122 266.3)
-
Step 950
950
#15234C
oklch(27% 0.078 266.9)
#799FFF 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) | #78A8FF | 0.024 |
| Deuteranopia (no green cones) | #699CFD | 0.020 |
| Tritanopia (no blue cones) | #34B4C3 | 0.132 |
| Achromatopsia (no color) | #A2A2A2 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #799FFF
#799FFF
oklch(71.6% 0.147 266.4)
- #CB9C00
#CB9C00
oklch(71.7% 0.147 86.9)
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 #799FFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.029
- Cornflower Blue #6495ED ΔE 0.044
- Perrywinkle #8F8CE7 ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.063
- Soft Blue #6488EA ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.072
- Periwinkle #8E82FE ΔE 0.074
Use #799FFF 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.