#919DFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.6% 0.137 276.9), rgb(145, 157, 251).
Aa
Black text reads best on this color (8.41:1).
About this color
#919DFB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.137 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.011 away. Black text reads best on it, at 8.41:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #919DFB |
| RGB | rgb(145, 157, 251) |
| HSL | hsl(233, 93%, 78%) |
| OKLCH | oklch(72.6% 0.137 276.9) |
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 #919DFB | 2.49:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #919DFB | 8.41:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #919DFB text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #919DFB text on black | 8.41:1 | AAA | Lc -53.1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B2BCF8
oklch(80.9% 0.086 277)
-
Step 400
400 (this color)
#919DFB
oklch(72.6% 0.137 276.9)
-
Step 500
500
#717AF0
oklch(63% 0.174 276.9)
-
Step 600
600
#5C60DF
oklch(55.7% 0.189 276.9)
-
Step 700
700
#4C4EC2
oklch(49.1% 0.177 276.9)
-
Step 800
800
#3E419D
oklch(42.8% 0.147 276.8)
-
Step 900
900
#34387C
oklch(37.6% 0.113 276.9)
-
Step 950
950
#1E2149
oklch(26.9% 0.073 277.1)
#919DFB 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) | #7CA8FF | 0.035 |
| Deuteranopia (no green cones) | #74A0F9 | 0.035 |
| Tritanopia (no blue cones) | #6EB0C0 | 0.121 |
| Achromatopsia (no color) | #A4A4A4 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #919DFB
#919DFB
oklch(72.6% 0.137 276.9)
- #BFA62B
#BFA62B
oklch(72.6% 0.137 97)
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 #919DFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.011
- Perrywinkle #8F8CE7 ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.064
- Periwinkle #8E82FE ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.069
- Pale Purple #B790D4 ΔE 0.076
- Liliac #C48EFD ΔE 0.079
Use #919DFB 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.