#415BBF
Closest named color: Iris (#6258C4). oklch(50.7% 0.159 269.1), rgb(65, 91, 191).
Aa
White text reads best on this color (6.04:1).
About this color
#415BBF is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.159 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.045 away. White text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #415BBF |
| RGB | rgb(65, 91, 191) |
| HSL | hsl(228, 50%, 50%) |
| OKLCH | oklch(50.7% 0.159 269.1) |
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 #415BBF | 6.04:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #415BBF | 3.47:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #415BBF text on white | 6.04:1 | AA | Lc 79.9 | Fine for body text |
| #415BBF text on black | 3.47:1 | AA large text | Lc -22.0 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ACBFF3
oklch(80.8% 0.077 269)
-
Step 400
400
#819CEE
oklch(70.6% 0.124 269.2)
-
Step 500
500
#6381E8
oklch(63% 0.158 269.3)
-
Step 600
600
#4B68D6
oklch(55.5% 0.172 269)
-
Step 700
700 (this color)
#415BBF
oklch(50.7% 0.159 269.1)
-
Step 800
800
#324796
oklch(42.6% 0.132 269)
-
Step 900
900
#2C3C78
oklch(37.6% 0.104 269.6)
-
Step 950
950
#1A2446
oklch(27.1% 0.065 269.4)
#415BBF 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) | #1C69C3 | 0.042 |
| Deuteranopia (no green cones) | #005DBD | 0.041 |
| Tritanopia (no blue cones) | #007384 | 0.133 |
| Achromatopsia (no color) | #636363 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #415BBF
#415BBF
oklch(50.7% 0.159 269.1)
- #7D6100
#7D6100
oklch(50.7% 0.104 88.9)
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 #415BBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.045
- Warm Blue #4B57DB ΔE 0.047
- Mid Blue #276AB3 ΔE 0.049
- French Blue #436BAD ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.060
- Royal Blue #4169E1 ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.067
Use #415BBF 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.