#7C99FB
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.4% 0.147 269.9), rgb(124, 153, 251).
Aa
Black text reads best on this color (7.80:1).
About this color
#7C99FB is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.147 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.024 away. Black text reads best on it, at 7.80:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.80:1 |
| White text | 2.69:1 |
Values
| HEX | #7C99FB |
| RGB | rgb(124, 153, 251) |
| HSL | hsl(226, 94%, 74%) |
| OKLCH | oklch(70.4% 0.147 269.9) |
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 #7C99FB | 2.69:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #7C99FB | 7.80:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #7C99FB text on white | 2.69:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #7C99FB text on black | 7.80:1 | AAA | Lc -49.8 | 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
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CCD8FC
oklch(88.5% 0.051 270.8)
-
Step 300
300
#A9BEFD
oklch(80.8% 0.092 270)
-
Step 400
400 (this color)
#7C99FB
oklch(70.4% 0.147 269.9)
-
Step 500
500
#5E7DFA
oklch(63.1% 0.189 269.8)
-
Step 600
600
#4762E9
oklch(55.6% 0.205 269.8)
-
Step 700
700
#3A50CA
oklch(49.1% 0.19 270)
-
Step 800
800
#2F43A4
oklch(42.8% 0.158 269.6)
-
Step 900
900
#293A82
oklch(37.8% 0.123 269.6)
-
Step 950
950
#18224C
oklch(26.9% 0.079 270.3)
#7C99FB 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) | #72A4FF | 0.028 |
| Deuteranopia (no green cones) | #6499F9 | 0.027 |
| Tritanopia (no blue cones) | #43AEBE | 0.132 |
| Achromatopsia (no color) | #9E9E9E | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C99FB
#7C99FB
oklch(70.4% 0.147 269.9)
- #C39A00
#C39A00
oklch(70.4% 0.144 89.6)
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 #7C99FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.024
- Cornflower Blue #6495ED ΔE 0.037
- Perrywinkle #8F8CE7 ΔE 0.044
- Lavender Blue #8B88F8 ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.058
- Soft Blue #6488EA ΔE 0.059
- Periwinkle #8E82FE ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.076
Use #7C99FB 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.