#415EBB
Closest named color: Mid Blue (#276AB3). oklch(51% 0.15 267.8), rgb(65, 94, 187).
Aa
White text reads best on this color (5.92:1).
About this color
#415EBB is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.150 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.040 away. White text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #415EBB |
| RGB | rgb(65, 94, 187) |
| HSL | hsl(226, 48%, 49%) |
| OKLCH | oklch(51% 0.15 267.8) |
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 #415EBB | 5.92:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #415EBB | 3.54:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #415EBB text on white | 5.92:1 | AA | Lc 79.3 | Fine for body text |
| #415EBB text on black | 3.54:1 | AA large text | Lc -22.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F1
oklch(81% 0.073 267.4)
-
Step 400
400
#819DE9
oklch(70.6% 0.116 268)
-
Step 500
500
#6283E3
oklch(63% 0.149 267.7)
-
Step 600
600
#4B6BD1
oklch(55.7% 0.161 267.8)
-
Step 700
700 (this color)
#415EBB
oklch(51% 0.15 267.8)
-
Step 800
800
#324992
oklch(42.8% 0.123 267.8)
-
Step 900
900
#2B3E75
oklch(37.8% 0.097 267.3)
-
Step 950
950
#192444
oklch(26.9% 0.062 267.8)
#415EBB 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) | #2B6ABE | 0.034 |
| Deuteranopia (no green cones) | #085FB9 | 0.039 |
| Tritanopia (no blue cones) | #007483 | 0.127 |
| Achromatopsia (no color) | #646464 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415EBB
#415EBB
oklch(51% 0.15 267.8)
- #7F6100
#7F6100
oklch(50.9% 0.104 87.4)
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 #415EBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.040
- French Blue #436BAD ΔE 0.045
- Iris #6258C4 ΔE 0.048
- Warm Blue #4B57DB ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.061
- Royal Blue #4169E1 ΔE 0.063
- Dusky Blue #475F94 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.063
Use #415EBB 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.