#408CFB
Closest named color: Dodger Blue (#1E90FF). oklch(64.9% 0.182 258.2), rgb(64, 140, 251).
Aa
Black text reads best on this color (6.36:1).
About this color
#408CFB is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.182 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.018 away. Black text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.36:1 |
| White text | 3.30:1 |
Values
| HEX | #408CFB |
| RGB | rgb(64, 140, 251) |
| HSL | hsl(216, 96%, 62%) |
| OKLCH | oklch(64.9% 0.182 258.2) |
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 #408CFB | 3.30:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #408CFB | 6.36:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #408CFB text on white | 3.30:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #408CFB text on black | 6.36:1 | AA | Lc -41.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9DC3FA
oklch(81% 0.088 257.6)
-
Step 400
400
#67A1F8
oklch(70.7% 0.142 258.3)
-
Step 500
500 (this color)
#408CFB
oklch(64.9% 0.182 258.2)
-
Step 600
600
#116DE4
oklch(55.7% 0.198 258.2)
-
Step 700
700
#005AC6
oklch(49.1% 0.184 258.2)
-
Step 800
800
#084AA0
oklch(42.7% 0.152 258.3)
-
Step 900
900
#123F7F
oklch(37.7% 0.119 258.2)
-
Step 950
950
#0C254A
oklch(26.8% 0.075 258.4)
#408CFB 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) | #5397FF | 0.035 |
| Deuteranopia (no green cones) | #2B85F9 | 0.025 |
| Tritanopia (no blue cones) | #00A6B7 | 0.141 |
| Achromatopsia (no color) | #8D8D8D | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408CFB
#408CFB
oklch(64.9% 0.182 258.2)
- #BB8300
#BB8300
oklch(64.9% 0.135 78.5)
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 #408CFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.018
- Chefchaouen Blue #4895EF ΔE 0.033
- Dark Sky Blue #448EE4 ΔE 0.036
- Soft Blue #6488EA ΔE 0.039
- Cornflower Blue #6495ED ΔE 0.049
- Clear Blue #247AFD ΔE 0.053
- Cornflower #6A79F7 ΔE 0.057
- Water Blue #0E87CC ΔE 0.078
Use #408CFB 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.