#3996FF
Closest named color: Dodger Blue (#1E90FF). oklch(67.1% 0.178 254.2), rgb(57, 150, 255).
Aa
Black text reads best on this color (6.98:1).
About this color
#3996FF is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.178 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.022 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #3996FF |
| RGB | rgb(57, 150, 255) |
| HSL | hsl(212, 100%, 61%) |
| OKLCH | oklch(67.1% 0.178 254.2) |
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 #3996FF | 3.00:1 | AA large text | Lc -61.7 | Content text, not long reading |
| Black text on #3996FF | 6.98:1 | AA | Lc 47.7 | Large or bold text, headings |
| #3996FF text on white | 3.00:1 | AA large text | Lc 56.3 | Large or bold text, headings |
| #3996FF text on black | 6.98:1 | AA | Lc -45.4 | 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
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DCECFF
oklch(93.7% 0.031 252.7)
-
Step 200
200
#C0DCFF
oklch(88.5% 0.057 254.1)
-
Step 300
300
#95C4FF
oklch(80.9% 0.098 254.5)
-
Step 400
400 (this color)
#3996FF
oklch(67.1% 0.178 254.2)
-
Step 500
500
#0088FF
oklch(63.2% 0.202 254.1)
-
Step 600
600
#0072D8
oklch(55.7% 0.178 254.2)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#00417F
oklch(37.8% 0.12 253.9)
-
Step 950
950
#00264F
oklch(27.1% 0.086 254)
#3996FF 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) | #629EFF | 0.042 |
| Deuteranopia (no green cones) | #3F8CFD | 0.025 |
| Tritanopia (no blue cones) | #00AFBE | 0.135 |
| Achromatopsia (no color) | #959595 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3996FF
#3996FF
oklch(67.1% 0.178 254.2)
- #C88600
#C88600
oklch(67.1% 0.142 74.3)
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 #3996FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.022
- Chefchaouen Blue #4895EF ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.042
- Soft Blue #6488EA ΔE 0.051
- Clear Blue #247AFD ΔE 0.075
- Cornflower #6A79F7 ΔE 0.078
- Lavender Blue #8B88F8 ΔE 0.085
Use #3996FF 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.