#7F99EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(69.9% 0.13 270), rgb(127, 153, 239).
Aa
Black text reads best on this color (7.70:1).
About this color
#7F99EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.130 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.028 away. Black text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #7F99EF |
| RGB | rgb(127, 153, 239) |
| HSL | hsl(226, 78%, 72%) |
| OKLCH | oklch(69.9% 0.13 270) |
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 #7F99EF | 2.72:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #7F99EF | 7.70:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #7F99EF text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #7F99EF text on black | 7.70:1 | AAA | Lc -49.2 | 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
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF6
oklch(81% 0.081 269.7)
-
Step 400
400 (this color)
#7F99EF
oklch(69.9% 0.13 270)
-
Step 500
500
#6380ED
oklch(63.1% 0.166 269.9)
-
Step 600
600
#4C66DB
oklch(55.5% 0.181 270.1)
-
Step 700
700
#3E54BE
oklch(49% 0.168 270.2)
-
Step 800
800
#33469A
oklch(42.8% 0.139 270)
-
Step 900
900
#2C3B7A
oklch(37.6% 0.108 270.4)
-
Step 950
950
#1A2348
oklch(27% 0.07 270.8)
#7F99EF 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) | #79A2F2 | 0.023 |
| Deuteranopia (no green cones) | #6E98ED | 0.021 |
| Tritanopia (no blue cones) | #54ABB9 | 0.116 |
| Achromatopsia (no color) | #9D9D9D | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F99EF
#7F99EF
oklch(69.9% 0.13 270)
- #BE9A2A
#BE9A2A
oklch(70% 0.13 89.9)
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 #7F99EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.034
- Perrywinkle #8F8CE7 ΔE 0.037
- Lavender Blue #8B88F8 ΔE 0.049
- Soft Blue #6488EA ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.059
- Periwinkle #8E82FE ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.073
Use #7F99EF 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.