#547DE9
Closest named color: Cornflower (#6A79F7). oklch(61.4% 0.169 266), rgb(84, 125, 233).
Aa
Black text reads best on this color (5.48:1).
About this color
#547DE9 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.169 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.035 away. Black text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #547DE9 |
| RGB | rgb(84, 125, 233) |
| HSL | hsl(223, 77%, 62%) |
| OKLCH | oklch(61.4% 0.169 266) |
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 #547DE9 | 3.82:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #547DE9 | 5.48:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #547DE9 text on white | 3.82:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #547DE9 text on black | 5.48:1 | AA | Lc -36.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9F9
oklch(88.5% 0.047 266.7)
-
Step 300
300
#A8C0F7
oklch(80.9% 0.083 266.3)
-
Step 400
400
#7A9DF3
oklch(70.7% 0.132 266.3)
-
Step 500
500 (this color)
#547DE9
oklch(61.4% 0.169 266)
-
Step 600
600
#4069DD
oklch(55.6% 0.183 265.9)
-
Step 700
700
#3256C0
oklch(49% 0.171 266)
-
Step 800
800
#2A479B
oklch(42.6% 0.142 266.1)
-
Step 900
900
#263D7B
oklch(37.7% 0.109 266)
-
Step 950
950
#162448
oklch(26.9% 0.07 265.9)
#547DE9 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) | #478AED | 0.033 |
| Deuteranopia (no green cones) | #2A7CE7 | 0.035 |
| Tritanopia (no blue cones) | #0096A8 | 0.141 |
| Achromatopsia (no color) | #828282 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #547DE9
#547DE9
oklch(61.4% 0.169 266)
- #A67E00
#A67E00
oklch(61.5% 0.126 86.2)
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 #547DE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.035
- Soft Blue #6488EA ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.047
- Clear Blue #247AFD ΔE 0.048
- Royal Blue #4169E1 ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.067
Use #547DE9 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.