#547DAE
Closest named color: Steel Blue (#4682B4). oklch(58% 0.089 253.6), rgb(84, 125, 174).
Aa
Black text reads best on this color (4.92:1).
About this color
#547DAE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.089 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.018 away. Black text reads best on it, at 4.92:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #547DAE |
| RGB | rgb(84, 125, 174) |
| HSL | hsl(213, 36%, 51%) |
| OKLCH | oklch(58% 0.089 253.6) |
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 #547DAE | 4.26:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #547DAE | 4.92:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #547DAE text on white | 4.26:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #547DAE text on black | 4.92:1 | AA | Lc -32.3 | 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 600.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AFC3DA
oklch(80.9% 0.039 252)
-
Step 400
400
#85A3C8
oklch(70.6% 0.064 253.9)
-
Step 500
500
#668CBA
oklch(63% 0.082 253.7)
-
Step 600
600 (this color)
#547DAE
oklch(58% 0.089 253.6)
-
Step 700
700
#3E638F
oklch(49.2% 0.083 253.6)
-
Step 800
800
#335174
oklch(42.8% 0.069 253.1)
-
Step 900
900
#2D435D
oklch(37.7% 0.053 253.2)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#547DAE 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) | #697FB0 | 0.027 |
| Deuteranopia (no green cones) | #5E76AD | 0.021 |
| Tritanopia (no blue cones) | #27888E | 0.078 |
| Achromatopsia (no color) | #7A7A7A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #547DAE
#547DAE
oklch(58% 0.089 253.6)
- #9A723A
#9A723A
oklch(58% 0.089 73.7)
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 #547DAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.018
- Off Blue #5684AE ΔE 0.021
- Cool Blue #4984B8 ΔE 0.023
- Dusty Blue #5A86AD ΔE 0.028
- Stormy Blue #507B9C ΔE 0.029
- Cerulean #457B9D ΔE 0.032
- Dull Blue #49759C ΔE 0.036
- Flat Blue #3C73A8 ΔE 0.041
Use #547DAE 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.