#4361BB
Closest named color: Mid Blue (#276AB3). oklch(51.7% 0.146 267.3), rgb(67, 97, 187).
Aa
White text reads best on this color (5.72:1).
About this color
#4361BB is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.146 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.036 away. White text reads best on it, at 5.72:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #4361BB |
| RGB | rgb(67, 97, 187) |
| HSL | hsl(225, 47%, 50%) |
| OKLCH | oklch(51.7% 0.146 267.3) |
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 #4361BB | 5.72:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #4361BB | 3.66:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #4361BB text on white | 5.72:1 | AA | Lc 78.4 | Fine for body text |
| #4361BB text on black | 3.66:1 | AA large text | Lc -23.4 | 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
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F4
oklch(88.5% 0.039 267.9)
-
Step 300
300
#ACC0EF
oklch(80.9% 0.07 266.8)
-
Step 400
400
#819EE7
oklch(70.7% 0.112 267)
-
Step 500
500
#6384E0
oklch(63.1% 0.144 267.4)
-
Step 600
600
#4B6BCE
oklch(55.5% 0.157 267.6)
-
Step 700
700 (this color)
#4361BB
oklch(51.7% 0.146 267.3)
-
Step 800
800
#324990
oklch(42.6% 0.12 267.6)
-
Step 900
900
#2B3E73
oklch(37.7% 0.094 267)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#4361BB 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) | #336CBE | 0.030 |
| Deuteranopia (no green cones) | #1A61B9 | 0.034 |
| Tritanopia (no blue cones) | #007685 | 0.123 |
| Achromatopsia (no color) | #666666 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4361BB
#4361BB
oklch(51.7% 0.146 267.3)
- #826300
#826300
oklch(51.7% 0.106 87.1)
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 #4361BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.036
- French Blue #436BAD ΔE 0.038
- Iris #6258C4 ΔE 0.048
- Warm Blue #4B57DB ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.059
- Royal Blue #4169E1 ΔE 0.060
- Windows Blue #3778BF ΔE 0.061
- Dusky Blue #475F94 ΔE 0.062
Use #4361BB 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.