#7F99FE
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.8% 0.151 271.2), rgb(127, 153, 254).
Aa
Black text reads best on this color (7.89:1).
About this color
#7F99FE is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.151 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.021 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.89:1 |
| White text | 2.66:1 |
Values
| HEX | #7F99FE |
| RGB | rgb(127, 153, 254) |
| HSL | hsl(228, 98%, 75%) |
| OKLCH | oklch(70.8% 0.151 271.2) |
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 #7F99FE | 2.66:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #7F99FE | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #7F99FE text on white | 2.66:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #7F99FE 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#AABEFE
oklch(81% 0.094 270.8)
-
Step 400
400 (this color)
#7F99FE
oklch(70.8% 0.151 271.2)
-
Step 500
500
#617BFC
oklch(63% 0.193 271.3)
-
Step 600
600
#4B60EB
oklch(55.6% 0.209 271.3)
-
Step 700
700
#3D4ECC
oklch(49% 0.194 271.3)
-
Step 800
800
#3241A5
oklch(42.7% 0.161 271.3)
-
Step 900
900
#2B3983
oklch(37.8% 0.125 271.1)
-
Step 950
950
#19224D
oklch(27.1% 0.08 271.2)
#7F99FE 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) | #71A4FF | 0.030 |
| Deuteranopia (no green cones) | #6499FC | 0.030 |
| Tritanopia (no blue cones) | #48AFBF | 0.136 |
| Achromatopsia (no color) | #9F9F9F | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F99FE
#7F99FE
oklch(70.8% 0.151 271.2)
- #C29C00
#C29C00
oklch(70.7% 0.145 91.2)
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 #7F99FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.021
- Cornflower Blue #6495ED ΔE 0.042
- Lavender Blue #8B88F8 ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.045
- Periwinkle #8E82FE ΔE 0.058
- Soft Blue #6488EA ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.063
- Dark Sky Blue #448EE4 ΔE 0.081
Use #7F99FE 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.