#4973A3
Closest named color: Dull Blue (#49759C). oklch(54.6% 0.089 252.7), rgb(73, 115, 163).
Aa
White text reads best on this color (4.92:1).
About this color
#4973A3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.089 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.014 away. White text reads best on it, at 4.92:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #4973A3 |
| RGB | rgb(73, 115, 163) |
| HSL | hsl(212, 38%, 46%) |
| OKLCH | oklch(54.6% 0.089 252.7) |
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 #4973A3 | 4.92:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #4973A3 | 4.26:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #4973A3 text on white | 4.92:1 | AA | Lc 74.0 | Content text, not long reading |
| #4973A3 text on black | 4.26:1 | AA large text | Lc -27.7 | 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 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
#84A4C8
oklch(70.8% 0.064 251.7)
-
Step 500
500
#658DBA
oklch(63.2% 0.081 252)
-
Step 600
600 (this color)
#4973A3
oklch(54.6% 0.089 252.7)
-
Step 700
700
#3D638E
oklch(49.1% 0.082 252.5)
-
Step 800
800
#335174
oklch(42.8% 0.069 253.1)
-
Step 900
900
#2C435D
oklch(37.6% 0.053 252.2)
-
Step 950
950
#1A2737
oklch(26.9% 0.035 254.1)
#4973A3 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) | #5F75A5 | 0.028 |
| Deuteranopia (no green cones) | #546CA2 | 0.022 |
| Tritanopia (no blue cones) | #107E84 | 0.078 |
| Achromatopsia (no color) | #707070 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4973A3
#4973A3
oklch(54.6% 0.089 252.7)
- #906730
#906730
oklch(54.5% 0.089 72)
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 #4973A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.014
- Flat Blue #3C73A8 ΔE 0.014
- Muted Blue #3B719F ΔE 0.017
- Cerulean #457B9D ΔE 0.028
- Stormy Blue #507B9C ΔE 0.030
- French Blue #436BAD ΔE 0.032
- Metallic Blue #4F738E ΔE 0.034
- Nice Blue #107AB0 ΔE 0.040
Use #4973A3 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.