#4D5AC4
Closest named color: Iris (#6258C4). oklch(51.6% 0.164 273.9), rgb(77, 90, 196).
Aa
White text reads best on this color (5.87:1).
About this color
#4D5AC4 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.164 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.030 away. White text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #4D5AC4 |
| RGB | rgb(77, 90, 196) |
| HSL | hsl(233, 50%, 54%) |
| OKLCH | oklch(51.6% 0.164 273.9) |
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 #4D5AC4 | 5.87:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #4D5AC4 | 3.57:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #4D5AC4 text on white | 5.87:1 | AA | Lc 79.1 | Fine for body text |
| #4D5AC4 text on black | 3.57:1 | AA large text | Lc -22.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D8F7
oklch(88.6% 0.044 274)
-
Step 300
300
#B0BEF5
oklch(81% 0.079 273.4)
-
Step 400
400
#889AF0
oklch(70.8% 0.127 273.7)
-
Step 500
500
#6C7EEA
oklch(63.1% 0.162 273.7)
-
Step 600
600
#5664D8
oklch(55.5% 0.176 274)
-
Step 700
700 (this color)
#4D5AC4
oklch(51.6% 0.164 273.9)
-
Step 800
800
#3A4498
oklch(42.7% 0.136 274)
-
Step 900
900
#313A79
oklch(37.6% 0.107 274)
-
Step 950
950
#1D2347
oklch(27.1% 0.067 274)
#4D5AC4 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) | #126AC8 | 0.056 |
| Deuteranopia (no green cones) | #0060C2 | 0.054 |
| Tritanopia (no blue cones) | #007386 | 0.142 |
| Achromatopsia (no color) | #646464 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5AC4
#4D5AC4
oklch(51.6% 0.164 273.9)
- #7C6600
#7C6600
oklch(51.7% 0.106 94.1)
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 #4D5AC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.030
- Warm Blue #4B57DB ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.050
- Royal Blue #4169E1 ΔE 0.055
- Bluey Purple #6241C7 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.061
Use #4D5AC4 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.