#554FB7
Closest named color: Iris (#6258C4). oklch(49.1% 0.159 281.4), rgb(85, 79, 183).
Aa
White text reads best on this color (6.58:1).
About this color
#554FB7 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.159 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 6.58:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #554FB7 |
| RGB | rgb(85, 79, 183) |
| HSL | hsl(243, 42%, 51%) |
| OKLCH | oklch(49.1% 0.159 281.4) |
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 #554FB7 | 6.58:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #554FB7 | 3.18:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #554FB7 text on white | 6.58:1 | AA | Lc 82.3 | Fine for body text |
| #554FB7 text on black | 3.18:1 | AA large text | Lc -19.6 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F6
oklch(88.5% 0.044 282.6)
-
Step 300
300
#B7BBF2
oklch(80.8% 0.078 281.3)
-
Step 400
400
#9496EB
oklch(70.6% 0.123 281.7)
-
Step 500
500
#7B7AE5
oklch(63.1% 0.157 281.3)
-
Step 600
600
#6660D3
oklch(55.5% 0.172 281.6)
-
Step 700
700 (this color)
#554FB7
oklch(49.1% 0.159 281.4)
-
Step 800
800
#454194
oklch(42.6% 0.132 281.4)
-
Step 900
900
#3A3876
oklch(37.7% 0.103 281.7)
-
Step 950
950
#222145
oklch(26.9% 0.066 282.3)
#554FB7 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) | #0061BB | 0.075 |
| Deuteranopia (no green cones) | #0059B5 | 0.072 |
| Tritanopia (no blue cones) | #2A677B | 0.137 |
| Achromatopsia (no color) | #5D5D5D | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554FB7
#554FB7
oklch(49.1% 0.159 281.4)
- #6D6200
#6D6200
oklch(49.1% 0.103 101.8)
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 #554FB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- Bluey Purple #6241C7 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.055
- Blurple #5539CC ΔE 0.057
- Warm Blue #4B57DB ΔE 0.059
- Light Indigo #6D5ACF ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.062
Use #554FB7 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.