#415FB1
Closest named color: Mid Blue (#276AB3). oklch(50.5% 0.135 266.5), rgb(65, 95, 177).
Aa
White text reads best on this color (6.00:1).
About this color
#415FB1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.135 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.034 away. White text reads best on it, at 6.00:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #415FB1 |
| RGB | rgb(65, 95, 177) |
| HSL | hsl(224, 46%, 47%) |
| OKLCH | oklch(50.5% 0.135 266.5) |
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 #415FB1 | 6.00:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #415FB1 | 3.49:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #415FB1 text on white | 6.00:1 | AA | Lc 79.8 | Fine for body text |
| #415FB1 text on black | 3.49:1 | AA large text | Lc -22.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ADC0EC
oklch(80.8% 0.066 266.6)
-
Step 400
400
#839FE2
oklch(70.8% 0.104 266.4)
-
Step 500
500
#6485DA
oklch(63% 0.134 266.6)
-
Step 600
600
#4C6DC7
oklch(55.5% 0.145 266.6)
-
Step 700
700 (this color)
#415FB1
oklch(50.5% 0.135 266.5)
-
Step 800
800
#334B8C
oklch(42.9% 0.111 266.5)
-
Step 900
900
#2C3F70
oklch(37.8% 0.087 266.3)
-
Step 950
950
#1A2541
oklch(27% 0.055 266.6)
#415FB1 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) | #3768B4 | 0.025 |
| Deuteranopia (no green cones) | #245EAF | 0.028 |
| Tritanopia (no blue cones) | #00727F | 0.115 |
| Achromatopsia (no color) | #636363 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415FB1
#415FB1
oklch(50.5% 0.135 266.5)
- #7E6000
#7E6000
oklch(50.6% 0.103 87.2)
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 #415FB1, closest first.
No curated palette has a color within ΔE 0.04 of #415FB1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.034
- French Blue #436BAD ΔE 0.035
- Dusky Blue #475F94 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.051
- Iris #6258C4 ΔE 0.056
- Flat Blue #3C73A8 ΔE 0.061
- Muted Blue #3B719F ΔE 0.063
- Denim #3B638C ΔE 0.064
Use #415FB1 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.