#4955B7
Closest named color: Iris (#6258C4). oklch(49.4% 0.154 274.1), rgb(73, 85, 183).
Aa
White text reads best on this color (6.42:1).
About this color
#4955B7 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.154 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 6.42:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.26:1 |
| White text | 6.42:1 |
Values
| HEX | #4955B7 |
| RGB | rgb(73, 85, 183) |
| HSL | hsl(233, 43%, 50%) |
| OKLCH | oklch(49.4% 0.154 274.1) |
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 #4955B7 | 6.42:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #4955B7 | 3.26:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #4955B7 text on white | 6.42:1 | AA | Lc 81.6 | Fine for body text |
| #4955B7 text on black | 3.26:1 | AA large text | Lc -20.3 | 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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F5
oklch(88.5% 0.041 273.3)
-
Step 300
300
#B1BEF1
oklch(80.9% 0.074 273.5)
-
Step 400
400
#8A9AEB
oklch(70.7% 0.12 274.4)
-
Step 500
500
#6E7FE4
oklch(63% 0.152 274)
-
Step 600
600
#5866D2
oklch(55.6% 0.165 274.2)
-
Step 700
700 (this color)
#4955B7
oklch(49.4% 0.154 274.1)
-
Step 800
800
#3B4593
oklch(42.6% 0.127 274.2)
-
Step 900
900
#323B75
oklch(37.6% 0.099 274)
-
Step 950
950
#1D2345
oklch(27% 0.063 273.9)
#4955B7 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) | #1763BA | 0.051 |
| Deuteranopia (no green cones) | #005AB5 | 0.053 |
| Tritanopia (no blue cones) | #006C7E | 0.133 |
| Achromatopsia (no color) | #5F5F5F | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4955B7
#4955B7
oklch(49.4% 0.154 274.1)
- #746000
#746000
oklch(49.4% 0.101 94.7)
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 #4955B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.061
- Mid Blue #276AB3 ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.062
- French Blue #436BAD ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.064
Use #4955B7 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.