#7991FB
Closest named color: Lavender Blue (#8B88F8). oklch(68.6% 0.158 272), rgb(121, 145, 251).
Aa
Black text reads best on this color (7.25:1).
About this color
#7991FB is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.158 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.030 away. Black text reads best on it, at 7.25:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #7991FB |
| RGB | rgb(121, 145, 251) |
| HSL | hsl(229, 94%, 73%) |
| OKLCH | oklch(68.6% 0.158 272) |
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 #7991FB | 2.89:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #7991FB | 7.25:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #7991FB text on white | 2.89:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #7991FB text on black | 7.25:1 | AAA | Lc -46.7 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CCD8FE
oklch(88.5% 0.054 271.5)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400 (this color)
#7991FB
oklch(68.6% 0.158 272)
-
Step 500
500
#637AFF
oklch(63.2% 0.198 272.1)
-
Step 600
600
#4C5DF1
oklch(55.6% 0.22 272)
-
Step 700
700
#3E4BD2
oklch(49.1% 0.205 272)
-
Step 800
800
#333FA9
oklch(42.7% 0.168 272.1)
-
Step 900
900
#2B3786
oklch(37.6% 0.132 271.9)
-
Step 950
950
#19214E
oklch(26.9% 0.083 272.1)
#7991FB 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) | #659EFF | 0.036 |
| Deuteranopia (no green cones) | #5693F9 | 0.038 |
| Tritanopia (no blue cones) | #3CA8BA | 0.141 |
| Achromatopsia (no color) | #989898 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7991FB
#7991FB
oklch(68.6% 0.158 272)
- #B99600
#B99600
oklch(68.5% 0.14 92.1)
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 #7991FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.030
- Cornflower Blue #6495ED ΔE 0.035
- Periwinkle Blue #8F99FB ΔE 0.037
- Perrywinkle #8F8CE7 ΔE 0.040
- Soft Blue #6488EA ΔE 0.043
- Periwinkle #8E82FE ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.054
- Cornflower #6A79F7 ΔE 0.065
Use #7991FB 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.