#554FC8
Closest named color: Iris (#6258C4). oklch(50.4% 0.182 279.8), rgb(85, 79, 200).
Aa
White text reads best on this color (6.28:1).
About this color
#554FC8 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.182 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.032 away. White text reads best on it, at 6.28:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.33:1 |
| White text | 6.28:1 |
Values
| HEX | #554FC8 |
| RGB | rgb(85, 79, 200) |
| HSL | hsl(243, 52%, 55%) |
| OKLCH | oklch(50.4% 0.182 279.8) |
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 #554FC8 | 6.28:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #554FC8 | 3.33:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #554FC8 text on white | 6.28:1 | AA | Lc 80.9 | Fine for body text |
| #554FC8 text on black | 3.33:1 | AA large text | Lc -21.0 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B5BBF9
oklch(80.9% 0.088 279.9)
-
Step 400
400
#9095F6
oklch(70.7% 0.141 279.9)
-
Step 500
500
#7777F2
oklch(63% 0.18 279.9)
-
Step 600
600
#625CE1
oklch(55.5% 0.196 279.9)
-
Step 700
700 (this color)
#554FC8
oklch(50.4% 0.182 279.8)
-
Step 800
800
#433E9E
oklch(42.7% 0.151 280.2)
-
Step 900
900
#37367E
oklch(37.6% 0.119 279.7)
-
Step 950
950
#20204A
oklch(26.9% 0.076 280)
#554FC8 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) | #0065CC | 0.076 |
| Deuteranopia (no green cones) | #005BC6 | 0.070 |
| Tritanopia (no blue cones) | #0F6C84 | 0.156 |
| Achromatopsia (no color) | #606060 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554FC8
#554FC8
oklch(50.4% 0.182 279.8)
- #736500
#736500
oklch(50.5% 0.105 99.8)
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 #554FC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.032
- Bluey Purple #6241C7 ΔE 0.034
- Warm Blue #4B57DB ΔE 0.036
- Blue With A Hint Of Purple #533CC6 ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.044
- Blurple #5539CC ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.050
Use #554FC8 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.